Cleanup the android scripts.

platform_tools/android/bin/android_install_apk

-#!/bin/bash
-#
-# android_install_skia: installs the skia apk on the device.
-
-function print_usage {
-  echo "USAGE: android_install_skia [options]"
-  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"
-}
-
-SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
-
-source $SCRIPT_DIR/android_setup.sh
-source $SCRIPT_DIR/utils/setup_adb.sh
-
-forceRemoval="false"
-installLauncher="false"
-installOptions="-r"
-
-for arg in ${APP_ARGS[@]}
-do
-  if [[ "${arg}" == "-f" ]];
-  then
-    forceRemoval="true"
-  elif [[ "${arg}" == "-h" ]];
-  then
-    print_usage
-    exit
-  elif [[ "${arg}" == "-r" ]];
-  then
-    echo "DEPRECATED: -r is now a no-op"
-  else
-    echo "ERROR: unrecognized option ${arg}"
-    print_usage
-    exit 1;
-  fi
-done
-
-if [[ "$forceRemoval" == "true" ]];
-then
-    echo "Forcing removal of previously installed packages"
-    $ADB ${DEVICE_SERIAL} uninstall com.skia > /dev/null
-fi
-
-echo "Installing Skia App from ${SKIA_OUT}/${BUILDTYPE}"
-$ADB ${DEVICE_SERIAL} install ${installOptions} ${SKIA_OUT}/${BUILDTYPE}/android/bin/SkiaAndroid.apk