Ensure that android "release" apps are signed with debug key

platform_tools/android/bin/android_install_app

 #!/bin/bash
 #
 # android_install_app: installs the skia sampleApp on the device.
 
 function print_usage {
   echo "USAGE: android_install_app [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"
@@ skipping 38 matching lines @@
 
 
 if [[ "$forceRemoval" == "true" ]];
 then
     echo "Forcing removal of previously installed packages"
     $ADB ${DEVICE_SERIAL} uninstall com.skia > /dev/null
 fi
 
 if [[ "$BUILDTYPE" == "Release" ]];
 then
-    apk_suffix="release-unsigned.apk"
+    apk_suffix="release.apk"
 else
     apk_suffix="debug.apk"
 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}