Import Android SDK Platform O

/google/data/ro/projects/android/fetch_artifact \
    --bid 3833963 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-3833963.zip

AndroidVersion.ApiLevel has been modified to appear as 26

Change-Id: I0cb63e56adefa36a3f5daddaf207833043e04a8e
282 files changed