Merge "cronet: delete cronet prebuilts" am: dec7272134

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2388908

Change-Id: I84fd76218a549b6c81e10cc5ceaf9d94035e7719
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>