This enables development of hardware-accelerated media codecs of
VAAPI-supported hardware.

Test: verified it builds on aosp-main-future only, identical repo on device-specific branch was functionally tested and verified.
Third-Party Import of: https://github.com/intel/gmmlib
Request Document: go/android3p
For CL Reviewers: go/android3p#reviewing-a-cl
For Build Team: go/ab-third-party-imports
Bug: http://b/342493484
Original import of the code can be found at: https://googleplex-android.googlesource.com/platform/external/gmmlib/+/refs/heads/third-party-review.
Security Questionnaire: http://b/342493484#comment1

Change-Id: I0c8061c11f0943ad792f3ad2b775848ad05ee910