Convert to Android.bp

Test: m atree fs_config fs_config_generate_test fs_config-unit-tests fs_get_stats zipalign
Test: cd out/host/linux-x86/nativetest64/fs_config-unit-tests ./fs_config-unit-tests
Change-Id: I3c5403a7f1cf221715eb52a41c640af9afcee175
8 files changed