Use newly defined columns for directory names.

Instead of using Uri query parameters to configure directory names,
this moves to using real columns that we recently added.

Bug: 123967243, 115377970
Test: atest MediaProviderTests
Test: atest cts/tests/tests/provider/src/android/provider/cts/MediaStore*
Change-Id: I8aa2c65a7b3552cd1ef0b6371dfd52c0798db218