Propagate -j in make calls for better parallelization

Also fix deps for parallel build.
It should speed up full NDK build.

Change-Id: Id62b4ba6b2d09fd28a2724c285eb0069b79b13fb
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
Tweak some flags

Signed-off-by: Paul Beeler <sparksco@gmail.com>
Merge remote-tracking branch 'aosp/master' into HEAD
Remove check for PPL, this gives a error with graphite

Signed-off-by: Paul Beeler <sparksco@gmail.com>
enable graphite in all supported targets and reduce number of default cores:

-Some small cleanups.  time doesn't work
-Newer changes increase build time and more resources used so reduce cores to 8 (feel free to edit accordingly to your pc)

Signed-off-by: Paul Beeler <sparksco@gmail.com>