gralloc: Add ITU-R standard info for YUV formats

These format qualifiers will help graphics decide which
standard to use when working with a YUV texture.

Change-Id: I6ad464e6b070d3b375c5e07f03228308d15407cd
libexternal: Remove setExternalDisplay function call

Calling setExternalDisplay in setActionSafeDimension
is leading to WFD session disconnect.

Crs-Fixed: 495062
Change-Id: I7a6ea0d668d4447d59ed0a7a0ac442327d019b71
Merge "libexternal: Remove setExternalDisplay function call"
Merge "gralloc: Add ITU-R standard info for YUV formats"