tree a1d2591b0e880f065733b321d98b354871443064
parent d90db31447a4cccf8d32de5d7134007f6b53d7a4
author Chuck Liao <chuckliao@google.com> 1597652964 +0800
committer Chuck Liao <chuckliao@google.com> 1597652964 +0800

Fix the exception when calling PreviewFragment#finishActivity() but the activity has already finished.

Bug: 164928805
Change-Id: I94e8d55bded75cf995582ea25fcebca88c37024e