audio: Implement proper parsing of masks in XsdcConversion am: cc21b6f2e6

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2794106

Change-Id: I5b839d0d5b820ff3f45a9aed291e1e4020842709
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>