Reapply "VisualizerTest: fix errorprone build"

This reverts commit 6c8d897a979b81e9d797afad0cc7cb648194a54a.
Reason for revert: 320714276

Test: make
Change-Id: I62e0d7b7058dabbb06628968727b1a7d45509bf4

tests/tests/media/audio/src/android/media/audio/cts/VisualizerTest.java

diff --git a/tests/tests/media/audio/src/android/media/audio/cts/VisualizerTest.java b/tests/tests/media/audio/src/android/media/audio/cts/VisualizerTest.java
index 53597e3..2da0547 100644
--- a/tests/tests/media/audio/src/android/media/audio/cts/VisualizerTest.java
+++ b/tests/tests/media/audio/src/android/media/audio/cts/VisualizerTest.java
@@ -230,6 +230,7 @@
     }
 
     //Test case 2.2: test capture with illegal size
+    @Test
     public void test2_2IllegalCaptureSize() throws Exception {
         if (!hasAudioOutput()) {
             Log.w(TAG, "AUDIO_OUTPUT feature not found. This system might not have a valid "