Import Android SDK Platform P DP2 [4735468]

/google/data/ro/projects/android/fetch_artifact \
    --bid 4735468 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-4735468.zip

AndroidVersion.ApiLevel has been modified to appear as 28

Change-Id: Ia7c32c8b6b44ffc03a1c0d04ad509443d583bcac
306 files changed