Re-enforce MANAGE_ACTIVITY_TASKS for applySyncTransaction

The conditional permission was introduced for TaskFragmentOrganizer, but
not really needed. Remove the conditional check.

Bug: 259938771
Test: pass existing tests
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:65ac64c3476f42f8437481bff77485f53ab4f391)
Merged-In: I666b9ee6b6076766513b97e675fdbaa002428601
Change-Id: I666b9ee6b6076766513b97e675fdbaa002428601
2 files changed