Merge "More consistent javadoc for PendingIntent.send" into udc-dev am: 08255d96 am: 5f489074

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22215893



Change-Id: I55c56224c866dffba1b41ac89f7357f97df44980
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>