tree 53ac6804987b067e8b6da8156c3fa4ce96291947
parent 0dddb902aea5a7e4d20722ebb3dbf1d28ff38787
author Sudheer Shanka <sudheersai@google.com> 1531789246 -0700
committer Sudheer Shanka <sudheersai@google.com> 1550284058 -0800

Fix potential crash when per-procstate cpu times tracking is turned on.

When per-procstate cpu times tracking is turned on,
BatteryStatsImpl tries to access mKernelSingleUidTimeReader but
it's possible that mKernelSingleUidTimeReader hasn't been initialized
yet after a reboot and this could lead to a system_server crash.

Bug: 111523951
Test: manual
Change-Id: Id014f23fbe31fed64fba769f14ba4396a003092e
Merged-In: Id014f23fbe31fed64fba769f14ba4396a003092e
(cherry picked from commit 020239df85931c3d5d5a89259f2e321fa48de353)