Fix out path in iOS platform script

platform_tools/ios/bin/ios_setup.sh

 #!/bin/bash
 ###############################################################################
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 ###############################################################################
 #
 # ios_setup.sh: Sets environment variables used by other iOS scripts.
 
@@ skipping 21 matching lines @@
 
 IOS_BUNDLE_ID="com.google.iOSShell"
 
 IOS_RESULTS_DIR="results"
 
 # BUILDTYPE is 'Debug' by default.
 if [[ -z "$BUILDTYPE" ]]; then
   BUILDTYPE="Debug"
 fi
 
+# Out dir is $SKIA_SRC_DIR/out by default. 
+if [[ -z "$SKIA_OUT" ]]; then 
+  SKIA_OUT="$SKIA_SRC_DIR/out"
+fi 
+
 ios_uninstall_app() {
   ideviceinstaller -U "$IOS_BUNDLE_ID"
 }
 
 ios_install_app() {
   rm -rf $IOS_PCKG_DIR
   mkdir -p $IOS_PCKG_DIR/Payload  # this directory must be named 'Payload'
   cp -rf "${SKIA_SRC_DIR}/xcodebuild/${BUILDTYPE}-iphoneos/iOSShell.app" "${IOS_PCKG_DIR}/Payload/"
   local RET_DIR=`pwd`
   cd $IOS_PCKG_DIR
@@ skipping 127 matching lines @@
 #       adb_push_if_needed $HOST_SRC $ANDROID_DST
 #     else
 #       echo -n "$ANDROID_DST "
 #       $ADB $DEVICE_SERIAL shell mkdir -p "$(dirname "$ANDROID_DST")"
 #       $ADB $DEVICE_SERIAL push $HOST_SRC $ANDROID_DST
 #     fi
 #   fi
 # }
 
 # setup_device "${DEVICE_ID}"