Merge "system/bta/av: Removed unused method bta_av_chk_2nd_start" into main...

Merge "system/bta/av: Removed unused method bta_av_chk_2nd_start" into main am: 3f7adffa am: 574fb564

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/3026443



Change-Id: I1a80fd951c3b924641bd2cf242b0edd6514fd32c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>