Merge "Allow batteryChargeTimeToFullNowSeconds to be -1" am: 4e2d45ba53 am: 0d35a17357 am: 0a09e17cc1 am: 738df72fc7 am: 591ad7c705

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1436094

Change-Id: Ib4085261190a8207c70dd72ba9ecd8a87d7dcc0f