Update default.xml

Testing. Added code below due to build errors specifying arm-eabi- 'missing':
<!-- begin added for testing 03-26-13 -->
 <project path="prebuilt/linux-x86/toolchain/arm-eabi-4.7" name="prebuilts_gcc_linux-x86_arm_arm-eabi-4.7" remote="cfx" revision="jb-devel" />
  <project path="prebuilts/gcc/linux-x86/arm/arm-eabi-linaro-4.7" name="Andromadus/android_prebuilts_gcc_linux-x86_arm_arm-eabi-linaro-4.7" remote="github" revision="jellybean" />
  <project path="prebuilts/clang/darwin-x86/3.1" name="platform/prebuilts/clang/darwin-x86/3.1" groups="darwin" />
  <project path="prebuilts/clang/darwin-x86/3.2" name="platform/prebuilts/clang/darwin-x86/3.2" groups="darwin" />
  <project path="prebuilts/clang/linux-x86/3.1" name="platform/prebuilts/clang/linux-x86/3.1" groups="linux" />
  <project path="prebuilts/clang/linux-x86/3.2" name="platform/prebuilts/clang/linux-x86/3.2" groups="linux" />
  <project path="prebuilts/eclipse" name="platform/prebuilts/eclipse" />
  <project path="prebuilts/eclipse-build-deps" name="platform/prebuilts/eclipse-build-deps" groups="notdefault,eclipse" />
  <project path="prebuilts/eclipse-build-deps-sources" name="platform/prebuilts/eclipse-build-deps-sources" groups="notdefault,eclipse" />
  <project path="prebuilts/gcc/darwin-x86/arm/arm-eabi-4.6" name="platform/prebuilts/gcc/darwin-x86/arm/arm-eabi-4.6" groups="darwin,arm" />
  <project path="prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.6" name="platform/prebuilts/gcc/darwin-x86/arm/arm-linux-androideabi-4.6" groups="darwin,arm" />
  <project path="prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.6" name="platform/prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.6" groups="darwin,mips" />
  <project path="prebuilts/gcc/darwin-x86/x86/i686-linux-android-4.6" name="platform/prebuilts/gcc/darwin-x86/x86/i686-linux-android-4.6" groups="darwin,x86" />
<!-- end added for testing 03-26-13 -->