Merge "Allow tests to query processes frozen state."

core/java/android/app/ActivityManager.java

@@ -5345,6 +5345,20 @@ public class ActivityManager {
         }
     }
 
+    /**
+     * Checks if the process represented by the given {@code pid} is frozen.
+     *
+     * @hide
+     */
+    @RequiresPermission(android.Manifest.permission.DUMP)
+    public boolean isProcessFrozen(int pid) {
+        try {
+            return getService().isProcessFrozen(pid);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     /**
      * @return The reason code of whether or not the given UID should be exempted from background
      * restrictions here.

core/java/android/app/IActivityManager.aidl

@@ -779,6 +779,10 @@ interface IActivityManager {
     @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.DUMP)")
     boolean isModernBroadcastQueueEnabled();
 
+    /** Checks if the process represented by the given pid is frozen. */
+    @JavaPassthrough(annotation="@android.annotation.RequiresPermission(android.Manifest.permission.DUMP)")
+    boolean isProcessFrozen(int pid);
+
     /**
      * @return The reason code of whether or not the given UID should be exempted from background
      * restrictions here.

services/core/java/com/android/server/am/ActivityManagerService.java

@@ -18497,6 +18497,12 @@ public class ActivityManagerService extends IActivityManager.Stub
         return mEnableModernQueue;
     }
 
+    @Override
+    public boolean isProcessFrozen(int pid) {
+        enforceCallingPermission(permission.DUMP, "isProcessFrozen()");
+        return mOomAdjuster.mCachedAppOptimizer.isProcessFrozen(pid);
+    }
+
     @Override
     @ReasonCode
     public int getBackgroundRestrictionExemptionReason(int uid) {

services/core/java/com/android/server/am/BroadcastProcessQueue.java

@@ -1113,6 +1113,7 @@ class BroadcastProcessQueue {
         pw.print(" because ");
         pw.print(reasonToString(mRunnableAtReason));
         pw.println();
+        pw.print("mProcessCached="); pw.println(mProcessCached);
         pw.increaseIndent();
         if (mActive != null) {
             dumpRecord("ACTIVE", now, pw, mActive, mActiveIndex);

services/core/java/com/android/server/am/CachedAppOptimizer.java

@@ -1509,6 +1509,12 @@ public final class CachedAppOptimizer {
         return profile;
     }
 
+    boolean isProcessFrozen(int pid) {
+        synchronized (mProcLock) {
+            return mFrozenProcesses.contains(pid);
+        }
+    }
+
     @VisibleForTesting
     static final class SingleCompactionStats {
         private static final float STATSD_SAMPLE_RATE = 0.1f;