Merge "docs: Added links to the Android 11 summary pages on developer.android.com." into rvc-dev am: 5d7be413bc am: 7fad6c94d6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12548368

Change-Id: I07f725e2e54412998152f0e0bc08c3a491182f34