Fix: add DelayReport feature when enable AV api

We shall enable AV api with feature of DelayReport when the device
enables delay reporting in its properties.

We shall only send delay report when that feature is enabled for
AVDT

Bug: 189404280
Tag: #compatibility
Test: atest --host bluetooth_test_gd
Change-Id: I685eb2386514c98c2f27a8107cb01f5e2b178daf
Merged-In: I3b2a8dec4bb845e222e2efc239b1654da78f49cf
(cherry picked from commit 75f3ee8c35212225186c4dea05278e70492329d9)