Changed *_MOVE and *_POS HAL docs to be consistent. am: f77dd218aa

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/22141215

Change-Id: Ie844560fd6c1262a6f7b9845ae38cbbc6083e99d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>