Fix VTS fail for GraphicsMapperHidlTest

VTS_10 testing item VtsHalGraphicsMapperV2_1Target fail due to
Gralloc0 HAL do not have return value : BAD_VALUE and BAD_BUFFER
so add Error::BAD_VALUE and Error::BAD_BUFFER as return value to
fix this VTS fail.

Bug: 146034198
Test: ran VtsHalGraphicsMapperV2_1Target 10 times and it all pass.
Change-Id: I792830ddf98cbf59de7d3a7b4dd4cf5f72269244
(cherry picked from commit e308ceb1)