Camera: Treat decreasing timestamp as BUFFER_ERROR

Decreasing timestamp shouldn't happen in non ZSL or reprocessing case.
When that happens, treat the buffer as error and return to buffer queue
directly.

Test: Camera CTS
Bug: 113670946
Change-Id: I39d3417dd9307d6cc7c90ff357a82604566a9081
diff --git a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
index 8476711..ecbcf76 100644
--- a/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
+++ b/services/camera/libcameraservice/device3/Camera3OutputStream.cpp
@@ -237,12 +237,14 @@
     /**
      * Return buffer back to ANativeWindow
      */
-    if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR || mDropBuffers) {
+    if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR || mDropBuffers || timestamp == 0) {
         // Cancel buffer
         if (mDropBuffers) {
             ALOGV("%s: Dropping a frame for stream %d.", __FUNCTION__, mId);
-        } else {
+        } else if (buffer.status == CAMERA3_BUFFER_STATUS_ERROR) {
             ALOGW("%s: A frame is dropped for stream %d due to buffer error.", __FUNCTION__, mId);
+        } else {
+            ALOGE("%s: Stream %d: timestamp shouldn't be 0", __FUNCTION__, mId);
         }
 
         res = currentConsumer->cancelBuffer(currentConsumer.get(),
@@ -268,10 +270,6 @@
             mTraceFirstBuffer = false;
         }
 
-        if (timestamp == 0) {
-            ALOGW("%s: Stream %d: timestamp shouldn't be 0", __FUNCTION__, mId);
-        }
-
         /* Certain consumers (such as AudioSource or HardwareComposer) use
          * MONOTONIC time, causing time misalignment if camera timestamp is
          * in BOOTTIME. Do the conversion if necessary. */