gralloc: Add support for IMapper/IAllocator 4.0

* Add QtiMapper and QtiAllocator 4.0
* Implement IMapper 4.0 APIs: get, set,
  getFromBufferDescriptorInfo, flushLockedBuffer,
  rereadLockedBuffer, listSupportedMetadataTypes,
  dumpBuffer, dumpBuffers, and getReservedRegion

Bug: 141596968
Test: VtsHalGraphicsMapperV4_0TargetTest
Change-Id: Ica42e485e426b366ffb41f30f1ea2cf395901356
18 files changed