Add art and libnativehelper to the root Blueprints file, and
add a warning used by art to the clang unknown flags list.
Change-Id: If282413103fa20fa66422e4330fbabff61b66144
Initial build logic for building android with soong. It can build
a variety of C and C++ files for arm/arm64 and host.
Change-Id: I10eb37c2c2a50be6af1bb5fd568c0962b9476bf0
This creates the infrastructure that will be used to bootstrap the
soong primary builder through blueprint and ninja.
Change-Id: Iebed8f369e4db41b207d0b2a48a7a54a4dd7d45d
