Revert "Make mPendingNotifications truly private"

Fixes: 120942531
This reverts commit 294d0a213dc9ad49b22b25c5042c89b1fccc5e04.

Reason for revert: <INSERT REASONING HERE>

Change-Id: I31e3fb8ee90635e14ec11104ec35d12983663ea7
(cherry picked from commit 60c941a86f818bc3d7da3db99a41aa206bf4254f)
5 files changed