libaudiohal: fix the device mask conversion am: cfe25a8d

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/3529210



Change-Id: Ib650b522456f9e763d537d24f427e12f4b77b23c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>