Merge "Add cronet_tests target" am: 381860145a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2477519

Change-Id: I3a08fe810b67a7e30fcb72e05178e446beb216eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>