Revert "gralloc: Default to 601 color space"

This reverts commit 9815f3a2740e4437e2653be161380d767d6ac962.
It should no longer be necessary to default to the 601 color space.

Bug: 30021559
Bug: 29550317
Change-Id: Ic0df39ff3651760e729f2079d0c0f78e3ef4e27e
diff --git a/msm8996/libgralloc/gpu.cpp b/msm8996/libgralloc/gpu.cpp
index ac7817c..c1d7788 100644
--- a/msm8996/libgralloc/gpu.cpp
+++ b/msm8996/libgralloc/gpu.cpp
@@ -159,7 +159,7 @@
         hnd->offset = data.offset;
         hnd->base = (uint64_t)(data.base) + data.offset;
         hnd->gpuaddr = 0;
-        ColorSpace_t colorSpace = ITU_R_601;
+        ColorSpace_t colorSpace = ITU_R_601_FR;
         setMetaData(hnd, UPDATE_COLOR_SPACE, (void*) &colorSpace);
 
         *pHandle = hnd;