Make calls to yield() explicit

Bug: 233029164
Test: TH
Change-Id: I32bc611c0242b87384696318855f52ee014dc981

media/tests/EffectsTest/src/com/android/effectstest/BassBoostTest.java

@@ -304,13 +304,13 @@ public class BassBoostTest extends Activity implements OnCheckedChangeListener {
                 for (int j = 0; j < NUM_EFFECTS; j++) {
                     effects[j] = new BassBoost(0, mSession);
                     effects[j].setControlStatusListener(mEffectListener);
-                    yield();
+                    this.yield();
                 }
                 for (int j = NUM_EFFECTS - 1; j >= 0; j--) {
                     Log.w(TAG, "HammerReleaseTest releasing effect " + (Object) effects[j]);
                     effects[j].release();
                     effects[j] = null;
-                    yield();
+                    this.yield();
                 }
             }
             Log.w(TAG, "HammerReleaseTest ended");

media/tests/EffectsTest/src/com/android/effectstest/VisualizerTest.java

@@ -251,13 +251,13 @@ public class VisualizerTest extends Activity implements OnCheckedChangeListener
             for (int i = 0; i < NUM_ITERATIONS; i++) {
                 for (int j = 0; j < NUM_EFFECTS; j++) {
                     effects[j] = new Visualizer(mSession);
-                    yield();
+                    this.yield();
                 }
                 for (int j = NUM_EFFECTS - 1; j >= 0; j--) {
                     Log.w(TAG, "HammerReleaseTest releasing effect " + (Object) effects[j]);
                     effects[j].release();
                     effects[j] = null;
-                    yield();
+                    this.yield();
                 }
             }
             Log.w(TAG, "HammerReleaseTest ended");