Merge "cronet: delete cronet prebuilts" am: dec7272134 am: a96e940bb3

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

Change-Id: Ie66a808a48f5edb6583e27002a6169ae9f050c1c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>