gralloc: Add the support of BLOB as RAW data

We now consider BLOB as a kind of RAW data with variable lengths. The
patch sets its info of PlaneLayoutInfo and PlaneLayoutComponent the same
as RAW10.

Bug: 156209702
Test: VtsHalGraphicsMapperV4_0TargetTest
Test: Open Camera without error log from qdgralloc
Change-Id: I88533d2395eac5f30afca1c99f595fde3358360f
2 files changed