[1/7] android: exFAT Support

FUSE based exFAT Implementation

e2fsprogs: https://gerrit.omnirom.org/#/c/3191/
fuse: https://gerrit.omnirom.org/#/c/4443/
sepolicy: https://gerrit.omnirom.org/#/c/4444/
vold: https://gerrit.omnirom.org/#/c/4441/
vold: https://gerrit.omnirom.org/#/c/4442/
omni: https://gerrit.omnirom.org/#/c/4449/

Change-Id: I2a02b6ad8fe6d4a45665663bfd8954efbf1159a9
Merge branch 'android-4.4' of https://github.com/omnirom/android into omni-kk