Revert "Ensure that only SysUI can override pending intent launch flags"

This reverts commit c4d3106e347922610f8c554de3ae238175ed393e.

Reason for revert: b/264884187, b/264885689 

Change-Id: I9fb0d66327f3f872a92e6b9d682d58489e81e6ba
(cherry picked from commit 7bb933f48ff15d8f08d2185005b7b3e212915276)
Merged-In: I9fb0d66327f3f872a92e6b9d682d58489e81e6ba
1 file changed