Merge "free the pcm structure and return &bad_pcm if open fails." am: 3028ab403f am: 935ad161bb am: a04e937db9 am: 8abc006608

Original change: https://android-review.googlesource.com/c/platform/external/tinyalsa/+/1620694

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I7ce676fa49b7714c1166f57eebbb28fdf63b48fb