use FgThread.class instead of UiThread.class for lock object



As is seen, UiThread/IoThread/DisplayThread/BackgroundThread
all use itself class for lock object. And for FgThread,
FgThread.class should be used for lock object

Test: null

Change-Id: I56e46fab33ff78d26b3e5197500764c763dba042
Signed-off-by: yangbingqian <yangbingqian@xiaomi.com>

parent 52bc790f

services/core/java/com/android/server/FgThread.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -45,14 +45,14 @@ public final class FgThread extends ServiceThread {
		}

		public static FgThread get() {
		synchronized (UiThread.class) {
		synchronized (FgThread.class) {
		ensureThreadLocked();
		return sInstance;
		}
		}

		public static Handler getHandler() {
		synchronized (UiThread.class) {
		synchronized (FgThread.class) {
		ensureThreadLocked();
		return sHandler;
		}