Add a BufferItem parameter to onFrameAvailable

Passes the BufferItem for the queued buffer to the onFrameAvailable
callback so the consumer can track the BufferQueue's contents.

Bug: 18111837
Change-Id: If9d07229c9b586c668e5f99074e9b63b0468feb0
diff --git a/include/camera/ProCamera.h b/include/camera/ProCamera.h
index 83a3028..e9b687a 100644
--- a/include/camera/ProCamera.h
+++ b/include/camera/ProCamera.h
@@ -265,7 +265,7 @@
         }
 
     protected:
-        virtual void onFrameAvailable() {
+        virtual void onFrameAvailable(const BufferItem& /* item */) {
             sp<ProCamera> c = mCamera.promote();
             if (c.get() != NULL) {
                 c->onFrameAvailable(mStreamId);