Adding flag com.android.server.telecom.flags.end_session_improvements to bp1a.

Bug: 370349160
Test: EXEMPT flagging
Flag: com.android.server.telecom.flags.end_session_improvements
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:990d2567074d7d453828cf9c36dab4d58800f272)
Merged-In: Ibdd13b7626ddce87512b6b3ecb0a8b23547109cc
Change-Id: Ibdd13b7626ddce87512b6b3ecb0a8b23547109cc
1 file changed