C2 Decoders: Add a function to choose hal pixel format for 10 bit decode

Added a function which will return supported hal pixel format
when decoding streams with bit depth of 10 for VP9 and AV1.

P010, RGBA1010102 (for specific color aspects) and YV12 is the order
in which formats are tried.

P010 format will be enabled once framework supports it

AHardwareBuffer_isSupported() doesn't handle P010 format and hence
fetchGraphicBlock() call is used to determine which are formats are
supported.

Bug: 178229371
Test: atest CtsMediaV2TestCases -- --module-arg \
 CtsMediaV2TestCases:instrumentation-arg:codec-prefix:=c2.android.

Change-Id: I6503ecf49934f7d0fb8d8ffcf95e3aa4905741d8