aries-common: zRAM: only read one page at a time

https://source.android.com/devices/low-ram.html

Change-Id: I127b56fdd8f160ba378778320dc711520d9b82e2
aries-common: create uncompressed ramdisk

It is more efficient to let the kernel compress it only once. See
corresponding kernel commit.

http://review.cyanogenmod.org/63721

Change-Id: I8dcd03a4011367b68c96efb23f56348af12da79b
aries-common: add ffmpeg codecs

Change-Id: I5e9e0fdc25e6e27e1cb2e87e38b4b6943e8c92a7
aries-common: libcamera: don't error when disabling focus move callback

We don't support it, but we shouldn't error out when someone tries to
disable it either. Required to support video mode on Google Camera

Change-Id: Iee30167c3b8df9ae10aedce305dea6b2cf90fad6