tree b2d2cac8f37806c53b0a2e8c49aed37dc78fd14e
parent 4878af06abd0249657fd348a74bfe997640d2019
author Yabin Huang <yabinh@google.com> 1624986788 -0700
committer Yabin Huang <yabinh@google.com> 1624986788 -0700

Specify FLAG_IMMUTABLE when creating PendingIntent

Targeting S+ (version 31 and above) requires that one of
FLAG_IMMUTABLE or FLAG_MUTABLE be specified when creating a
PendingIntent. So this CL uses FLAG_IMMUTABLE to create
the PendingIntent because the flag is recommended in most cases.

Bug: 192103710
Test: manual
Change-Id: Ic5396ca753bfdf3d1e616511cd64490b22f58e59