Make calls to yield() explicit

Bug: 233029164
Test: TH
Change-Id: I761a9adb2883637c8d69b748c83291cb6162128e
diff --git a/tests/java_api/RSTest_CompatLibLegacy/src/com/android/rs/test/UnitTest.java b/tests/java_api/RSTest_CompatLibLegacy/src/com/android/rs/test/UnitTest.java
index 5e5d54e..0a8f0d3 100644
--- a/tests/java_api/RSTest_CompatLibLegacy/src/com/android/rs/test/UnitTest.java
+++ b/tests/java_api/RSTest_CompatLibLegacy/src/com/android/rs/test/UnitTest.java
@@ -100,7 +100,7 @@
 
     public void waitForMessage() {
         while (!msgHandled) {
-            yield();
+            this.yield();
         }
     }
 
diff --git a/tests/java_api/RsTest_11/src/com/android/rs/test/UnitTest.java b/tests/java_api/RsTest_11/src/com/android/rs/test/UnitTest.java
index b62e535..01106ac 100644
--- a/tests/java_api/RsTest_11/src/com/android/rs/test/UnitTest.java
+++ b/tests/java_api/RsTest_11/src/com/android/rs/test/UnitTest.java
@@ -89,7 +89,7 @@
 
     public void waitForMessage() {
         while (!msgHandled) {
-            yield();
+            this.yield();
         }
     }
 
diff --git a/tests/java_api/RsTest_14/src/com/android/rs/test/UnitTest.java b/tests/java_api/RsTest_14/src/com/android/rs/test/UnitTest.java
index 558a252..cc39c8e 100644
--- a/tests/java_api/RsTest_14/src/com/android/rs/test/UnitTest.java
+++ b/tests/java_api/RsTest_14/src/com/android/rs/test/UnitTest.java
@@ -100,7 +100,7 @@
 
     public void waitForMessage() {
         while (!msgHandled) {
-            yield();
+            this.yield();
         }
     }
 
diff --git a/tests/java_api/RsTest_16/src/com/android/rs/test/UnitTest.java b/tests/java_api/RsTest_16/src/com/android/rs/test/UnitTest.java
index ada101a..c196f23 100644
--- a/tests/java_api/RsTest_16/src/com/android/rs/test/UnitTest.java
+++ b/tests/java_api/RsTest_16/src/com/android/rs/test/UnitTest.java
@@ -100,7 +100,7 @@
 
     public void waitForMessage() {
         while (!msgHandled) {
-            yield();
+            this.yield();
         }
     }