Add UpsideDownCake to aapt2 codenames and android.os.Build Bug: 219519679# Bug: 269470863 Test: m checkbuild Change-Id: I2b668d1cd875657b27a1d52bda21f238d7020862 (cherry picked from commit d27566da4cc7e0de8efe00140fe28db1536bef43) Merged-In: I2b668d1cd875657b27a1d52bda21f238d7020862