small cleanup

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Update .gitignore for android builds

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Fix build on host toolchain wiht android ndk sysroot

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Revert host use android gcc

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Merge remote-tracking branch 'sm/master' into master