method @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) public int getPackageImportance(String);
method public long getTotalRam();
method @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) public int getUidImportance(int);
method public static boolean isHighEndGfx();
method @RequiresPermission(android.Manifest.permission.PACKAGE_USAGE_STATS) public void removeOnUidImportanceListener(android.app.ActivityManager.OnUidImportanceListener);
method public static void resumeAppSwitches() throws android.os.RemoteException;
method @RequiresPermission(android.Manifest.permission.CHANGE_CONFIGURATION) public void scheduleApplicationInfoChanged(java.util.List<java.lang.String>, int);