Merge "delete no-longer-used custom sdkpage template. depends on https://googleplex-android-review.git.corp.google.com/#/c/1389393/" into nyc-dev am: 1b1c5c5ebc am: 18a8c0ce2c
am: 8f6711e757

Change-Id: Ib318c8ffffeb07ab489eb32d2529efbb9f68a98f