Rename offer() to add(), remove/hide some APIs.

Change MatrixCursor offer() to add() based on review feedback.  Remove
some now-unused XML metadata.  Hide document creation, since it's not
supported in initial version.

Bug: 10577809, 10461706, 10678563
Change-Id: I7b3f4c6899c28f633471ef816bee22bf032aa0d2

parent d10f049a

src/com/android/documentsui/RootsCache.java

+0 −1

Original line number	Diff line number	Diff line
		@@ -90,7 +90,6 @@ public class RootsCache {
		if (info.metaData != null && info.metaData.containsKey(
		DocumentsContract.META_DATA_DOCUMENT_PROVIDER)) {

		// TODO: remove deprecated customRoots flag
		// TODO: populate roots on background thread, and cache results
		final Uri rootsUri = DocumentsContract.buildRootsUri(info.authority);
		final ContentProviderClient client = resolver