Allow multiple registered GNSS HALs am: 3344506a78

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2962603

Change-Id: I5e54874bbebc3ca9e9eaf48aef335705b49c7c79
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>