Merge "Allow GenericDocument accept a String property longer than 20_000." into sc-dev am: 7ae2dec8ba am: 4816863ed4 am: 76e0858b2d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15306276

Change-Id: I1c0ed4b32f2d44b259118b3b2d087f60d0dbba5c