cronet: align cronet test naming with API am: d6bb61859e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2400016

Change-Id: Ica654c8753178f3829ce838fdb3386ca4d498c4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>