Merge change 23924 into eclair

* changes:
  	new file:   LowStorageTest/Android.mk 	new file:   LowStorageTest/AndroidManifest.xml 	new file:   LowStorageTest/res/layout/main.xml 	new file:   LowStorageTest/res/values/strings.xml 	new file:   LowStorageTest/src/com/android/lowstoragetest/LowStorageTest.java Add the test app which can eat up 100% of the data parition. This is for the low storage test.