[automerge] Use new robolectric 2p: c4d200e9db

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/mobile-data-download/+/20671105

Bug: 261728063
Change-Id: Ib4d964eaded8e416bcc094a1db9fc8bf3a4d22e5