Revert "Add APIs to query MMAP support in AAudio."

Revert submission 29709835-query_mmap_support

Reason for revert: Droidmonitor created revert due to b/374754620. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:29709835-query_mmap_support

Change-Id: Iaa271ce90bcea34b654a1f55c90f3051d89ac54c
21 files changed