Merge "spatialier: more head pose controller optimizations" into tm-dev am: f61b8abe

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/17750950



Change-Id: I6a78d3d5610a4b58a36007ab4f7bd62c60610d57
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>