[automerger skipped] power/stats: Add duration field to EnergyMeasurement am:...

[automerger skipped] power/stats: Add duration field to EnergyMeasurement am: 68511c75 am: 4c4c798e am: 0dcd0ac4 -s ours

am skip reason: Change-Id Ie588854d8bbe24c1c3492d547ede4aa249b1d50f with SHA-1 60e4a0b0 is in history

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1576528

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I5f51a6e62df7a13ae826714d47cb968e1cf03c14