Remove unused multidex dependency in work integration tests.
Remove unused multidex dependency in work integration tests.

Bug: 122737117
Test: Local build.
Change-Id: I17b9c94230f530d8b73d706af7c49f777ceb6ec0

androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx