tree 7c17f60dc18a4ab0decca7d9f52612eb4fedfcc3
parent a71eb120c7390a82474bf8bdb94d08e723582f9f
author Liejun Tao <baibai@motorola.com> 1450472341 -0600
committer The Android Automerger <android-build@google.com> 1456348882 -0800

DO NOT MERGE Enhance AVRCP Absolute Volume control implementation

1. Remember the current local volume level, current remote volume level.
When user adjusts the volume, compare the returned remote volume
level with desired volume level, if they don't match, do retry.

2.Learn and remember the volume mapping between phone volume level and
remote volume level as the user adjusts volume. When user adjusts to one
remembered volume level, use the mapping directly. Otherwise calculate
the remote volume level and try with method described in step one.

3. Blacklist device if remote device does not tell its initial volume.

4. Define optional threshold for initial volume level to avoid headset
being too loud upon re-connection.

Signed-off-by: Liejun Tao <baibai@motorola.com>
Change-Id: I78112f5f401666f5a680561473a5c7f914071fbe