Import Android SDK Platform P [4678243]

/google/data/ro/projects/android/fetch_artifact \
    --bid 4678243 \
    --target sdk_phone_armv7-win_sdk \
    sdk-repo-linux-platforms-4678243.zip

AndroidVersion.ApiLevel has been modified to appear as 28

Change-Id: I2f2bf26e18cf9db0c3815ce3ed773fe456a6fb6d
391 files changed