Merge "Clarify and clean up dynamic_sensor documentation" am: 4d919104dd am: a43e51cb45 am: d43f111175

Original change: https://android-review.googlesource.com/c/platform/hardware/libhardware/+/2194872

Change-Id: Id252685bebe7755eeb5d37d26feaab2cf5010415
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>