Import Android SDK Platform O

/google/data/ro/projects/android/fetch_artifact \
    --bid 3898705 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-3898705.zip

AndroidVersion.ApiLevel has been modified to appear as 26

Change-Id: I908f6c40498c09c0b585b00ba29821afda750cd9
270 files changed