[SPARK-19987][SQL] Pass all filters into FileIndex

[rxin]

What changes were proposed in this pull request?

This is a tiny teeny refactoring to pass data filters also to the FileIndex, so FileIndex can have a more global view on predicates.

How was this patch tested?

Change should be covered by existing test cases.

[SparkQA]

Test build #74687 has finished for PR 17322 at commit 87a8be5.

• This patch fails Spark unit tests.
• This patch merges cleanly.
• This patch adds no public classes.

[gatorsmile]

LGTM pending Jenkins

[SparkQA]

Test build #74696 has finished for PR 17322 at commit a667f80.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[gatorsmile]

Thanks! Merging to master.