Merge "SpatializerHelper: fix the null pointer exception occurred when create spatializer" into main am: f9abcbd4e2

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2836278

Change-Id: Id2706c7694dbeaca1b6dbe676278a0f66c2f0631
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>