Add simple-camera to run_on_app_dumps

Contents of README.google:
Name: Simple Camera
URL: https://github.com/SimpleMobileTools/Simple-Camera
Version: NA
Revision: ebf9820c51e960912b3238287e30a131244fdee6
Date: Nov 7, 2020
License: GNU General Public License v3.0

Bug: 152155164
Change-Id: I4efda4a8409d94255ceef2943f673499d155469b
diff --git a/.gitignore b/.gitignore
index f7f7671..5149fc8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -156,6 +156,8 @@
 third_party/opensource-apps/signal-android.tar.gz
 third_party/opensource-apps/simple-calendar
 third_party/opensource-apps/simple-calendar.tar.gz
+third_party/opensource-apps/simple-camera
+third_party/opensource-apps/simple-camera.tar.gz
 third_party/opensource-apps/sunflower
 third_party/opensource-apps/sunflower.tar.gz
 third_party/opensource-apps/wikipedia