am 1f51808a: Camera2: Tests: Fix CameraFrameTests to pass instead of failing and hanging.: DO NOT MERGE

* commit '1f51808ad12e52b44097b4bbe0cfb454ed21687f':
  Camera2: Tests: Fix CameraFrameTests to pass instead of failing and hanging.: DO NOT MERGE
diff --git a/tests/camera2/CameraFrameTests.cpp b/tests/camera2/CameraFrameTests.cpp
index fc681c4..13d1b17 100644
--- a/tests/camera2/CameraFrameTests.cpp
+++ b/tests/camera2/CameraFrameTests.cpp
@@ -115,8 +115,18 @@
     for (int i = 0; i < GetParam(); ++i) {
         ALOGV("Reading capture request %d", i);
         ASSERT_EQ(OK, mDevice->waitForNextFrame(CAMERA_FRAME_TIMEOUT));
+
         CameraMetadata frameMetadata;
         ASSERT_EQ(OK, mDevice->getNextFrame(&frameMetadata));
+
+        // wait for buffer to be available
+        ASSERT_EQ(OK, mFrameListener->waitForFrame(CAMERA_FRAME_TIMEOUT));
+        ALOGV("We got the frame now");
+
+        // mark buffer consumed so producer can re-dequeue it
+        CpuConsumer::LockedBuffer imgBuffer;
+        ASSERT_EQ(OK, mCpuConsumer->lockNextBuffer(&imgBuffer));
+        ASSERT_EQ(OK, mCpuConsumer->unlockBuffer(imgBuffer));
     }
 
 }