Truncate user data to a limit of 500 characters am: 46caac6419

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24993589

Change-Id: I1d11afabb1141a7f375cb64b36b043ef56a5dac9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>