audio: optimize spatializer activation am: 7ea0d1b3 am: fbbbcad8 am: 4974ac1c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/17539628



Change-Id: Ibf194cfdd583939790e37750b1eaf1fdd9b7291e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>