Merge "Disabler AppStateTracker debug log" into pi-dev

 * - Temporary power save whitelist

 * - Global "force all apps standby" mode enforced by battery saver.

 *

 * TODO: Make it a LocalService.

 *

 * Test:

  atest $ANDROID_BUILD_TOP/frameworks/base/services/tests/servicestests/src/com/android/server/AppStateTrackerTest.java

 */

public class AppStateTracker {

    private static final String TAG = "ForceAppStandbyTracker";

    private static final boolean DEBUG = true;

    @GuardedBy("AppStateTracker.class")

    private static AppStateTracker sInstance;

    private static final String TAG = "AppStateTracker";

    private static final boolean DEBUG = false;

    private final Object mLock = new Object();

    private final Context mContext;