mark TAG as final so they don't get nullified between test methods

Bug: 22517563
Change-Id: I06211e5688c20d4c50bd179a36a803c043f411d1
diff --git a/tests/tests/hardware/src/android/hardware/cts/CameraTest.java b/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
index 58e3903..33706dd 100644
--- a/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
+++ b/tests/tests/hardware/src/android/hardware/cts/CameraTest.java
@@ -65,7 +65,7 @@
  */
 @LargeTest
 public class CameraTest extends ActivityInstrumentationTestCase2<CameraCtsActivity> {
-    private static String TAG = "CameraTest";
+    private static final String TAG = "CameraTest";
     private static final String PACKAGE = "com.android.cts.hardware";
     private static final boolean VERBOSE = Log.isLoggable(TAG, Log.VERBOSE);
     private final String JPEG_PATH = Environment.getExternalStorageDirectory().getPath() +
diff --git a/tests/tests/mediastress/src/android/mediastress/cts/MediaRecorderStressTest.java b/tests/tests/mediastress/src/android/mediastress/cts/MediaRecorderStressTest.java
index 0b76185..115a47d 100644
--- a/tests/tests/mediastress/src/android/mediastress/cts/MediaRecorderStressTest.java
+++ b/tests/tests/mediastress/src/android/mediastress/cts/MediaRecorderStressTest.java
@@ -37,7 +37,7 @@
 
 public class MediaRecorderStressTest extends ActivityInstrumentationTestCase2<MediaFrameworkTest> {
 
-    private static String TAG = "MediaRecorderStressTest";
+    private static final String TAG = "MediaRecorderStressTest";
     private static final int NUMBER_OF_CAMERA_STRESS_LOOPS = 50;
     private static final int NUMBER_OF_RECORDER_STRESS_LOOPS = 50;
     private static final int NUMBER_OF_RECORDERANDPLAY_STRESS_LOOPS = 25;