Import Android SDK Platform O

/google/data/ro/projects/android/fetch_artifact \
    --bid 3917912 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-3917912.zip

AndroidVersion.ApiLevel has been modified to appear as 26

Change-Id: I8625d7cad0d825bf1f33731b5fa32a76c753d793
284 files changed