Merge "[RCS]Implement File Upload" am: f8f0e5d0b9 am: 06809ae0e5 am: ae2e72527c am: 0778a07e9e

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telephony/+/1647006

Change-Id: Iaaeb61c48f89ae2bd42b4e2dd02bd25cd81fa2a6