Merge "libeffects: use memmove in Copy_Float" am: 76e856baa2 am: c4c784541b

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1538209

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Iffdea341e5cd3cc2ef82e1b9c0adf211b3c29381