Implement Trash Restoration Flow

Adds a Restore option to the overflow menu, enabling item restoration from trash via the DocumentsContract.restoreDocument API

Bug: 409265240
Test: atest DocumentsUIGoogleTests:MenuManagerTest
Test: atest DocumentsUIGoogleTests:com.android.documentsui.files.ActionHandlerTest
Test: atest DocumentsUIGoogleTests:com.android.documentsui.services.RestoreJobTest
Flag: com.android.documentsui.flags.enable_trash_flow_ro
Change-Id: I9fddc17a90703d5831d6e63fb07499572157d019