Fix NPE at PrintSpooler in Japanese environment.

MediaSize ID have to be upper cases.

Change-Id: I84af01dbd185df210b5ebb1de282a4091e06df05
Related-issue: https://code.google.com/p/android/issues/detail?id=61984
Fix broken Intent-chooser.

ResolverActivity#startSelected is always called
because ChooserActivity's constructor will set mAlwaysUseOption to false.

Change-Id: I07af003ede56a5d6ae523ba59fa33c5c48a86b6a
Related-Issue: https://code.google.com/p/android/issues/detail?id=61937