Update ACL pin to 16cf3c2318978580006633ea4d5eccdd8ba1194a
Update ACL pin to 16cf3c2318978580006633ea4d5eccdd8ba1194a

Signed-off-by: Nikhil Raj <70dde441576cd8b053dd4c3a595f3f0b9c7a63a3@arm.com>
Change-Id: I6f1f66fdd2e49ca36d28fd2367f4b64dc6d38cca

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn