eat: fix recovery command when flashing gapps

/tmp/recovery takes a command as one line, before it was placing each
command on a separate line. So remove all the lines from the file and replace them with spaces.

Change-Id: I81ff8123b8b3a640d4ba45c44f057559349e04c7
Signed-off-by: Roman Birg <romanbirg@gmail.com>
build: Fix global selinux policy inclusion

We're adding specific policies to an overlay instead of patching
external/sepolicy, so we need to make sure it's included to prevent
misbehaving systems

Change-Id: I7989a1093f9abc8360d492e73a860eb4afad10ad
Merge branch 'kitkat' of https://github.com/AOKP/build into kitkat