tree 1abcfea382c48dda90546375d2ad5ee8db180d13
parent 07a7250da3a0c08148bbf7efb915eac27e473305
author Stanley Tng <stng@google.com> 1529423290 -0700
committer Hansong Zhang <hsz@google.com> 1538455753 -0700

Add Feature Flag for Hearing Aid Profile

Using the Settings App-Developer Options-Feature Flag, allow the user to
enable or disable the Hearing Aid Profile.

Bug: 116317072
Bug: 116044083
Test: Manual testing using Settings App
Merged-In: I58a9d339941e235242c443c85b6f4194b5a296c9
(cherry picked from commit fe8c8337edc5e9d6b61d0942873538912d523db7)

Change-Id: I7d0b6759e7acba3fb2a4d1afdba35d5a95387777