Use AssistedFactory for ScreenshotViewProxy

Bug: 329659738
Test: manual, atest
Flag: NONE
Change-Id: I33e661039d218d175c567c4f7b09d9abe4f1361e
Merged-In: I33e661039d218d175c567c4f7b09d9abe4f1361e
4 files changed