Merge "[RCS]Migrate from getEncodedMessage() to toEncodedMessage()" am: 23bbd41fde am: bf7c109ed6 am: 85f4d04ef2

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1671789

Change-Id: Iea60a39cb6fc3b2d5ed5732111b18fb64bf0bcdf