Merge "libmath: use TVECHELPERS_STD_HASH macro for std::hash" into main am: d36a990e2a am: 19c2c3b21a

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/3205855

Change-Id: Ib43af758ea432701b9d34098309e2b4879f52696
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>