Merge changes from topic "apex_adb"

* changes:
  Add MATCH_APEX flag to getInstalledPackages.
  Rename APEX installPackage method to stagePackage.
  Initial support for installing APEX via adb.

core/java/android/content/pm/PackageInfo.java

@@ -18,6 +18,7 @@ package android.content.pm;
 
 import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
+import android.apex.ApexInfo;
 import android.os.Parcel;
 import android.os.Parcelable;
 
@@ -390,6 +391,11 @@ public class PackageInfo implements Parcelable {
     @Nullable
     public String compileSdkVersionCodename;
 
+    /**
+     * Whether the package is an APEX package.
+     */
+    public boolean isApex;
+
     public PackageInfo() {
     }
 
@@ -472,6 +478,7 @@ public class PackageInfo implements Parcelable {
         } else {
             dest.writeInt(0);
         }
+        dest.writeBoolean(isApex);
     }
 
     public static final Parcelable.Creator<PackageInfo> CREATOR
@@ -533,7 +540,7 @@ public class PackageInfo implements Parcelable {
         if (hasSigningInfo != 0) {
             signingInfo = SigningInfo.CREATOR.createFromParcel(source);
         }
-
+        isApex = source.readBoolean();
         // The component lists were flattened with the redundant ApplicationInfo
         // instances omitted.  Distribute the canonical one here as appropriate.
         if (applicationInfo != null) {
@@ -544,6 +551,15 @@ public class PackageInfo implements Parcelable {
         }
     }
 
+    /**
+     * @hide
+     */
+    public PackageInfo(ApexInfo apexInfo) {
+        packageName = apexInfo.packageName;
+        setLongVersionCode(apexInfo.versionCode);
+        isApex = true;
+    }
+
     private void propagateApplicationInfo(ApplicationInfo appInfo, ComponentInfo[] components) {
         if (components != null) {
             for (ComponentInfo ci : components) {

core/java/android/content/pm/PackageManager.java

@@ -145,6 +145,7 @@ public abstract class PackageManager {
             MATCH_FACTORY_ONLY,
             MATCH_DEBUG_TRIAGED_MISSING,
             MATCH_INSTANT,
+            MATCH_APEX,
             GET_DISABLED_COMPONENTS,
             GET_DISABLED_UNTIL_USED_COMPONENTS,
             GET_UNINSTALLED_PACKAGES,
@@ -530,6 +531,17 @@ public abstract class PackageManager {
      */
     public static final int MATCH_HIDDEN_UNTIL_INSTALLED_COMPONENTS =  0x20000000;
 
+    /**
+     * {@link PackageInfo} flag: include APEX packages that are currently
+     * installed. In APEX terminology, this corresponds to packages that are
+     * currently active, i.e. mounted and available to other processes of the OS.
+     * In particular, this flag alone will not match APEX files that are staged
+     * for activation at next reboot.
+     * TODO(b/119767311): include uninstalled/inactive APEX if
+     *                    MATCH_UNINSTALLED_PACKAGES is set.
+     */
+    public static final int MATCH_APEX = 0x40000000;
+
     /**
      * Flag for {@link #addCrossProfileIntentFilter}: if this flag is set: when
      * resolving an intent that matches the {@code CrossProfileIntentFilter},
@@ -846,6 +858,14 @@ public abstract class PackageManager {
      */
     public static final int INSTALL_VIRTUAL_PRELOAD = 0x00010000;
 
+    /**
+     * Flag parameter for {@link #installPackage} to indicate that this package
+     * is an APEX package
+     *
+     * @hide
+     */
+    public static final int INSTALL_APEX = 0x00020000;
+
     /** @hide */
     @IntDef(flag = true, prefix = { "DONT_KILL_APP" }, value = {
             DONT_KILL_APP