display: Support for S3D video

1. Add support to set HDMI to 3D mode
2. Add binder API to force 3D mode
3. Switch to 3D mode based on metadata
4. Configure pipes appropriately
5. Only side-by-side and top-bottom formats are currently supported

Change-Id: Iae579ecfa45aae088ff543d4143e5025e8c682fa
diff --git a/libhwcomposer/hwc_mdpcomp.h b/libhwcomposer/hwc_mdpcomp.h
index 7c46c1a..a83f51f 100644
--- a/libhwcomposer/hwc_mdpcomp.h
+++ b/libhwcomposer/hwc_mdpcomp.h
@@ -270,7 +270,7 @@
     //Enable 4kx2k yuv layer split
     static bool sEnableYUVsplit;
     bool mModeOn; // if prepare happened
-    bool allocSplitVGPipesfor4k2k(hwc_context_t *ctx, int index);
+    bool allocSplitVGPipes(hwc_context_t *ctx, int index);
     //Enable Partial Update for MDP3 targets
     static bool enablePartialUpdateForMDP3;
     static void *sLibPerfHint;