Upgraded Guava to unmodified jdk5-backport-v17.0-compatibility

This simply copies the Guava source for jdk5-backport-v17.0-compatibility
straight from the github repository into this one.

See https://github.com/google/guava.git

Additional commits will be made which will allow this to compile
on Android.

Change-Id: I07db3bd92bb7370cad9d9b9c9cc4d67733b079b6
1580 files changed