Merge "health: Add default impl of health AIDL HAL" am: 236fa8908c am: 8fe0dacf4f am: 5b3a4eb7a2

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1550322

Change-Id: If4ec856ad66e848944161e0787dab09e16730111