Merge "Add cronet_tests target" am: 381860145a

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

Change-Id: Id9730b1d97ad823dbf4c8fd5288f79c900b2290b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>