Import Android SDK Platform O

/google/data/ro/projects/android/fetch_artifact \
    --bid 3685177 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-3685177.zip

AndroidVersion.ApiLevel has been modified to appear as 26

Change-Id: I7d5206c93730b790e5b08e728f03406e119e9bcc
194 files changed