Revert "[RESTRICT AUTOMERGE] Remove staled pinned Task upon SystemUI reboot"

This reverts commit f04607abc040a487319f2a1c1f0d757060668b45.

Reason for revert: b/458676344

Bug: 376048041
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:f2c737c2003989afdab7d4ffa46a5de84eb78d86
Merged-In: Iec767500333438e12007fe7c87d9ca068ea8377b
Change-Id: Iec767500333438e12007fe7c87d9ca068ea8377b
1 file changed