Import Android SDK Platform O

/google/data/ro/projects/android/fetch_artifact \
    --bid 3809652 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-3809652.zip

AndroidVersion.ApiLevel has been modified to appear as 26

Change-Id: I46bf8687c9a70b78415a65a7735838f09d009dff
247 files changed