gralloc: implement yuv offset query as hw specific function This patch reverts earlier cca14cfd... and introduces a new hw specific hook to query yuv components offsets which can vary between different hw, decoders, cameras etc. Change-Id: Ib60bc8ee28df7bc9425b6d7934294fe36fc55354 Depends-Change-Id: I1aa5368b21e588d5d711c1005fff2a5296e143a0 Signed-off-by: Tapani Pälli <[email protected]>