Adjust to androidx.test ActivityInvoker API change. am: 71375a719f am: 797b0026e0 am: ee5a94fc32 am: 8639e8bb2f

Original change: https://android-review.googlesource.com/c/platform/external/robolectric-shadows/+/1327400

Change-Id: Ifdcb69ae5dea5f94c9b0e4aba857cc8fa1931480