hwc: Add support to smooth streaming feature.

update the source video width and height set by the video decoder
for secure video smooth streaming usecase from metadata.

Change-Id: I73a3804d90557034604142481a232787dbc08f23
diff --git a/libhwcomposer/hwc_fbupdate.cpp b/libhwcomposer/hwc_fbupdate.cpp
index 53b3d18..12177b3 100644
--- a/libhwcomposer/hwc_fbupdate.cpp
+++ b/libhwcomposer/hwc_fbupdate.cpp
@@ -106,7 +106,7 @@
         }
         overlay::Overlay& ov = *(ctx->mOverlay);
         private_handle_t *hnd = (private_handle_t *)layer->handle;
-        ovutils::Whf info(hnd->width, hnd->height,
+        ovutils::Whf info(getWidth(hnd), getHeight(hnd),
                           ovutils::getMdpFormat(hnd->format), hnd->size);
 
         //Request a pipe
@@ -244,7 +244,7 @@
         }
         overlay::Overlay& ov = *(ctx->mOverlay);
         private_handle_t *hnd = (private_handle_t *)layer->handle;
-        ovutils::Whf info(hnd->width, hnd->height,
+        ovutils::Whf info(getWidth(hnd), getHeight(hnd),
                           ovutils::getMdpFormat(hnd->format), hnd->size);
 
         //Request left pipe