Bundle Cronet's boringssl am: 2cd4ac8725

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2402008

Change-Id: Id4995dc031473c556892a328930821ccc4e2f612
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>