Merge "Truncate user data to a limit of 500 characters" into udc-dev am: bbf3e2efaa

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24665407

Change-Id: Id6570f7f2e2da3bd9804657e37dbd0aa586b3625
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>