expose isSealed() from the installer session

Change-Id: I5232a012fbee8931b0e3f584d6bb2e273a789dee
Fixes: 35948628
Test: Manual

api/current.txt

@@ -10221,6 +10221,7 @@ package android.content.pm {
     method public float getProgress();
     method public int getSessionId();
     method public boolean isActive();
+    method public boolean isSealed();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.content.pm.PackageInstaller.SessionInfo> CREATOR;
   }
@@ -30125,12 +30126,12 @@ package android.os {
     field public static final int BATTERY_PLUGGED_AC = 1; // 0x1
     field public static final int BATTERY_PLUGGED_USB = 2; // 0x2
     field public static final int BATTERY_PLUGGED_WIRELESS = 4; // 0x4
-    field public static final int BATTERY_PROPERTY_STATUS = 6; // 0x6
     field public static final int BATTERY_PROPERTY_CAPACITY = 4; // 0x4
     field public static final int BATTERY_PROPERTY_CHARGE_COUNTER = 1; // 0x1
     field public static final int BATTERY_PROPERTY_CURRENT_AVERAGE = 3; // 0x3
     field public static final int BATTERY_PROPERTY_CURRENT_NOW = 2; // 0x2
     field public static final int BATTERY_PROPERTY_ENERGY_COUNTER = 5; // 0x5
+    field public static final int BATTERY_PROPERTY_STATUS = 6; // 0x6
     field public static final int BATTERY_STATUS_CHARGING = 2; // 0x2
     field public static final int BATTERY_STATUS_DISCHARGING = 3; // 0x3
     field public static final int BATTERY_STATUS_FULL = 5; // 0x5

api/system-current.txt

@@ -10700,6 +10700,7 @@ package android.content.pm {
     method public android.content.pm.PackageInstaller.Session openSession(int) throws java.io.IOException;
     method public void registerSessionCallback(android.content.pm.PackageInstaller.SessionCallback);
     method public void registerSessionCallback(android.content.pm.PackageInstaller.SessionCallback, android.os.Handler);
+    method public void setPermissionsResult(int, boolean);
     method public void uninstall(java.lang.String, android.content.IntentSender);
     method public void uninstall(android.content.pm.VersionedPackage, android.content.IntentSender);
     method public void unregisterSessionCallback(android.content.pm.PackageInstaller.SessionCallback);
@@ -10757,6 +10758,7 @@ package android.content.pm {
     method public float getProgress();
     method public int getSessionId();
     method public boolean isActive();
+    method public boolean isSealed();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.content.pm.PackageInstaller.SessionInfo> CREATOR;
   }
@@ -32726,12 +32728,12 @@ package android.os {
     field public static final int BATTERY_PLUGGED_AC = 1; // 0x1
     field public static final int BATTERY_PLUGGED_USB = 2; // 0x2
     field public static final int BATTERY_PLUGGED_WIRELESS = 4; // 0x4
-    field public static final int BATTERY_PROPERTY_STATUS = 6; // 0x6
     field public static final int BATTERY_PROPERTY_CAPACITY = 4; // 0x4
     field public static final int BATTERY_PROPERTY_CHARGE_COUNTER = 1; // 0x1
     field public static final int BATTERY_PROPERTY_CURRENT_AVERAGE = 3; // 0x3
     field public static final int BATTERY_PROPERTY_CURRENT_NOW = 2; // 0x2
     field public static final int BATTERY_PROPERTY_ENERGY_COUNTER = 5; // 0x5
+    field public static final int BATTERY_PROPERTY_STATUS = 6; // 0x6
     field public static final int BATTERY_STATUS_CHARGING = 2; // 0x2
     field public static final int BATTERY_STATUS_DISCHARGING = 3; // 0x3
     field public static final int BATTERY_STATUS_FULL = 5; // 0x5

api/test-current.txt

@@ -10253,6 +10253,7 @@ package android.content.pm {
     method public float getProgress();
     method public int getSessionId();
     method public boolean isActive();
+    method public boolean isSealed();
     method public void writeToParcel(android.os.Parcel, int);
     field public static final android.os.Parcelable.Creator<android.content.pm.PackageInstaller.SessionInfo> CREATOR;
   }
@@ -30221,12 +30222,12 @@ package android.os {
     field public static final int BATTERY_PLUGGED_AC = 1; // 0x1
     field public static final int BATTERY_PLUGGED_USB = 2; // 0x2
     field public static final int BATTERY_PLUGGED_WIRELESS = 4; // 0x4
-    field public static final int BATTERY_PROPERTY_STATUS = 6; // 0x6
     field public static final int BATTERY_PROPERTY_CAPACITY = 4; // 0x4
     field public static final int BATTERY_PROPERTY_CHARGE_COUNTER = 1; // 0x1
     field public static final int BATTERY_PROPERTY_CURRENT_AVERAGE = 3; // 0x3
     field public static final int BATTERY_PROPERTY_CURRENT_NOW = 2; // 0x2
     field public static final int BATTERY_PROPERTY_ENERGY_COUNTER = 5; // 0x5
+    field public static final int BATTERY_PROPERTY_STATUS = 6; // 0x6
     field public static final int BATTERY_STATUS_CHARGING = 2; // 0x2
     field public static final int BATTERY_STATUS_DISCHARGING = 3; // 0x3
     field public static final int BATTERY_STATUS_FULL = 5; // 0x5

core/java/android/content/pm/PackageInstaller.java

@@ -465,6 +465,7 @@ public class PackageInstaller {
     }
 
     /** {@hide} */
+    @SystemApi
     public void setPermissionsResult(int sessionId, boolean accepted) {
         try {
             mInstaller.setPermissionsResult(sessionId, accepted);
@@ -845,9 +846,9 @@ public class PackageInstaller {
          * user intervention, and so it may not happen immediately. The final
          * result of the commit will be reported through the given callback.
          * <p>
-         * Once this method is called, no additional mutations may be performed
-         * on the session. If the device reboots before the session has been
-         * finalized, you may commit the session again.
+         * Once this method is called, the session is sealed and no additional
+         * mutations may be performed on the session. If the device reboots
+         * before the session has been finalized, you may commit the session again.
          *
          * @throws SecurityException if streams opened through
          *             {@link #openWrite(String, long, long)} are still open.
@@ -1278,6 +1279,16 @@ public class PackageInstaller {
             return active;
         }
 
+        /**
+         * Return if this session is sealed.
+         * <p>
+         * Once sealed, no further changes may be made to the session. A session
+         * is sealed the moment {@link Session#commit(IntentSender)} is called.
+         */
+        public boolean isSealed() {
+            return sealed;
+        }
+
         /**
          * Return the reason for installing this package.
          *