Merge "Update code comments to mention sensor name uniqueness." into sc-dev...

Merge "Update code comments to mention sensor name uniqueness." into sc-dev am: 5f9e20b3 am: 072f70d5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14987633

Change-Id: Iad38a45f2ef3192ef7dfd7a5a454000eabfffb5c