gn2bp: add support for local_include_dirs

Test: ./gen_android_bp --desc gn.json --output Android.bp \
'//third_party/zlib:zlib'
Change-Id: I31dcd11dc023d9335d6c7de6a72bdca323058259

Change-Id: I95d0f11e8f659b2d8f5f6cd22357017ba37f83fa
1 file changed