Revert "add const qualifier to the pcm_mask variables and arguments"

Revert "reorg file structure to match it on GitHub"

Revert submission 1483902-sync tinyalsa

Reason for revert: b/174994516, b/175089243
Reverted Changes:
Id3370e3c7:fix build breakage
I296a47fcb:Sync from GitHub
I6b86da455:reorg file structure to match it on GitHub
I5155d7856:add const qualifier to the pcm_mask variables and ...

Change-Id: I640a89481996ff56da3bf17b5d086103c96a5ab0
(cherry picked from commit a7f08fe3eed05e8fca76886f745c4bf3c96c93c8)
5 files changed