Fix implicit-fallthrough warnings.

Test: make checkbuild
Bug: 112564944
Change-Id: Ib93559a5c1512861f9746cd28d8b19073ce92aa8
diff --git a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
index e851a7c..4543c01 100644
--- a/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
+++ b/media/omx/1.0/vts/functional/audio/VtsHalMediaOmxV1_0TargetAudioDecTest.cpp
@@ -297,6 +297,7 @@
             setupAACPort(omxNode, portIndex, OMX_AUDIO_AACObjectNull,
                          OMX_AUDIO_AACStreamFormatMP4FF, nChannels, 0,
                          nSampleRate);
+            break;
         default:
             break;
     }