Fixed by granting START_ACTIVITIES_FROM_BACKGROUND
to the cell broadcast receiver.
Test: Manual
Bug: 130384940
Merged-In: Ie563a8f11ac991ab9568f65df6a4d14eebe47c5e
Change-Id: Ie563a8f11ac991ab9568f65df6a4d14eebe47c5e
(cherry picked from commit 974607aac8)