Merge "Revert "reorg file structure to match it on GitHub"" am: b1b29e95a5 am: d7363062e0 am: bb7eb3e52b

Original change: https://android-review.googlesource.com/c/platform/external/tinyalsa/+/1519787

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib85a56a14470278aede8a305967b8a33a48e14c3