otter-common: remove contact overlay

Change-Id: I8220ba8761655be0ff1a0775cab3ca1dd09c4acd
Signed-off-by: Hashcode <hashcode0f@gmail.com>
otter-common: add ffmpeg codecs include

Change-Id: I89dc5886901e81308fa5580f077891d9b1223fc7
Signed-off-by: Hashcode <hashcode0f@gmail.com>