Add ViewPager2 to prebuilts am: e514c12615 am: f89970f1f6 am: 17ddc4cc7d

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/sdk/+/10518977

Change-Id: Iee827d4bd229bd17e94eaaf6a8ce6f98f157b03d