Cleaning up pre-Gingerbread folders and classes

* Remove Froyo-level class in media-compat
* Rename donut folder in compat to gingerbread
* Remove eclair folder in v4
* Rename donut folder in v4 to gingerbread

Change-Id: Ibc1d58a617a2ca9070510eebc3edf151e9488259
42 files changed