commit b8ad594300b26c89a1b4b0ec4957b49600e58c08
author Sudheer Shanka <sudheersai@google.com> Tue Aug 08 12:16:09 2017 -0700
committer Sudheer Shanka <sudheersai@google.com> Fri Aug 11 00:04:50 2017 -0700
tree 0f0895615b0019241aa6d901d869064fcbef8b44
parent c222109a6189673b46dc079208386efd8e9952a6

Use cpu freq times to calculate power consumed by an uid.

Initially we used to approximate times spent by an uid at a particular
freq using total time spent by the uid but since now the freq times
are directly available from the proc file, we can use these to
calculate power.

Bug: 62240247
Test: bit FrameworksCoreTests:com.android.internal.os.BatteryStatsTests
Test: cts-tradefed run singleCommand cts-dev -m CtsIncidentHostTestCases -t \
      com.android.server.cts.BatteryStatsValidationTest
Test: Used some apps and verified that battery usage is attributed to
      those apps in Battery settings.
Change-Id: Ia8e2eb07fd778b8a8c83a6acec711e7b97aefdc0