gralloc4-vts: Allow getFromBufferDescriptorInfo return unsupported

According to the definition of getFromBufferDescriptorInfo, UNSUPPORTED
should be returned if the requested metadata is not defined until a
buffer has been allocated. Before we clarify the necessary metadata,
the patch allows all of them return unsupported.

Bug: 155626288
Test: VtsHalGraphicsMapperV4_0Target

Change-Id: I42a3b07b0b60ca555ebe949bbac0dd68d4e06231
1 file changed