Merge "libeffects: use memmove in Copy_Float" am: 76e856ba am: c4c78454 am: 0c3f0588

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: If2a343b8771e421ccee349251a54c3befad38a38