Improve logging in fbo completeness tests.

- Log texture format info of used textures and renderbuffers including
  which extensions added or would have added support for each feature.
- Log all active rules used to calculate potential result set.
- Rename minFormats to coreFormat and maxFormats to allFormats to
  improve readability.

Bug: 18800966
Change-Id: I34a06f179c1353325a3c65a91c3f4d4b6bd024c0
6 files changed