Merge "health: properly support charger mode." am: 21c1e163d4 am: d9964bb31a am: 233a367c14 am: d6f310a7c5

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1894881

Change-Id: Idd1f86c608e0023619ffd26ca85593d511c47c40