Merge "SurfaceFlingerPerfTests: Buffer clean up for SurfaceFlingerPerfTests."

apct-tests/perftests/surfaceflinger/src/android/surfaceflinger/BufferFlinger.java

@@ -70,4 +70,10 @@ public class BufferFlinger {
         }
         mBufferQ.add(buffer);
     }
+
+    public void freeBuffers() {
+        for (GraphicBuffer buffer : mBufferQ) {
+            buffer.destroy();
+        }
+    }
 }

apct-tests/perftests/surfaceflinger/src/android/surfaceflinger/SurfaceFlingerPerfTest.java

@@ -60,6 +60,7 @@ public class SurfaceFlingerPerfTest {
             bufferflinger.addBuffer(t, sc);
             t.apply();
         }
+        bufferflinger.freeBuffers();
     }
 }