Remove VisualBench and its Android implementation.

platform_tools/android/bin/android_install_app

 #!/bin/bash
 #
 # android_install_app: installs the Skia development apps on the device.
 
 function print_usage {
   echo "USAGE: android_install_app [options] AppName"
   echo " Options:         -f  Forces the package to be installed by removing any"
   echo "                      previously installed packages"
   echo "                  -h  Prints this help message"
   echo "            --release Install the release build of Skia"
   echo "      -s [device_s/n] Serial number of the device to be used"
-  echo "              AppName Can be either SampleApp or VisualBench"
+  echo "              AppName Can be either SampleApp or Viewer"
 }
 
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
 source $SCRIPT_DIR/android_setup.sh
 source $SCRIPT_DIR/utils/setup_adb.sh
 
 forceRemoval="false"
 app=""
 
@@ skipping 40 matching lines @@
 
 if [[ ${app} == 'SampleApp' ]]; then
     app="sample_app"
 fi
 
 APP_LC=$(echo $app | tr "[:upper:]" "[:lower:]")
 
 echo "Installing ${APP_LC} from ${APP_LC}/build/outputs/apk/${APP_LC}-${ANDROID_ARCH}-${apk_suffix}"
 $ADB ${DEVICE_SERIAL} install -r ${SCRIPT_DIR}/../apps/${APP_LC}/build/outputs/apk/${APP_LC}-${ANDROID_ARCH}-${apk_suffix}