Remove VisualBench and its Android implementation.

platform_tools/android/bin/android_launch_app

Index: platform_tools/android/bin/android_launch_app
diff --git a/platform_tools/android/bin/android_launch_app b/platform_tools/android/bin/android_launch_app
index e5fd54c96a411db63241820770bfc30f50d2161a..c1eb0b4fb021d9e1d55e5edfeeb615d9da8821d2 100755
--- a/platform_tools/android/bin/android_launch_app
+++ b/platform_tools/android/bin/android_launch_app
@@ -22,9 +22,9 @@ fi
 if [[ ${app} == 'SampleApp' ]]; then
     activity="com.skia.sample_app/com.skia.SkiaSampleActivity"
 elif [[ ${app} == "VisualBench" ]] ; then
-    activity="com.skia.visualbench/com.skia.VisualBenchActivity"
+    activity="org.skia.viewer/org.skia.viewer.ViewerActivity"
 else
-    echo "ERROR: supports either 'SampleApp' or 'VisualBench' as valid apps"
+    echo "ERROR: supports either 'SampleApp' or 'Viewer' as valid apps"
     exit 1
 fi
 $ADB ${DEVICE_SERIAL} shell "am start -S -n ${activity} --es cmdLineFlags \"${APP_ARGS[*]:1}\""