Add flag for tracking systemUi context before WMS initialization

Bug: 384428048
Test: add flag only
Flag: EXEMPT adding flag
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:94269cc075a738453120c7e7901a8ea707942342)
Merged-In: I7ed2e66cecd7f3ee265c98bef882d866a079a2b3
Change-Id: I7ed2e66cecd7f3ee265c98bef882d866a079a2b3
1 file changed