av: support per-app volume [1/3]

Squashed:

    From: someone5678 <someone5678@users.noreply.github.com>
    Date: Wed, 20 Mar 2024 11:10:40 +0900
    Subject: [PATCH] fixup! av: support per-app volume [1/3]

    Change-Id: I669bacfb8ee4a7a60c15a8dac4c487e2eccc94c6

Change-Id: I12b203964821c654bd4a34a988f54d453815d548
Signed-off-by: cjybyjk <cjybyjk@zjnu.edu.cn>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
16 files changed