Ensure the mock Call state is set to HOLD before evaluation to remove...

Ensure the mock Call state is set to HOLD before evaluation to remove potential race conditions am: 411bef86

Original change: https://android-review.googlesource.com/c/platform/packages/services/Telecomm/+/3027944



Change-Id: Ib34e0e4e4ca41511b87c74ef1016a2128164a747
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>