Merge "Freezer: fix exception when parsing /proc/locks" into sc-dev am: ef12967b75 am: f97b1decee

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15395534

Change-Id: I1bfa5bf4400011e2573d63e4769e7d53cb2db4c5