Add default impl for health storage AIDL HAL am: feed84d11d am: ad80d864f8

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1548964

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I89372047594b7d91a049d5b3f3ef6577d8ba8a80