Support case-insensitive column names.

The underlying SQLite specification allows column names to be case-
insensitive, and we've found reports of published apps that depend on
this behavior.

Bug: 156136746
Test: atest MediaProviderTests:com.android.providers.media.util.SQLiteQueryBuilderTest
Change-Id: Ib0e23a652a0c9a6aba2f13c9098f39940f7533fe
2 files changed