Revert "cronet: update prebuilts to 107.0.5284.2" am: b8c4d970db am: 15670d4c96 am: 7662bd18ae

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Cronet/+/2231750

Change-Id: Iad0edf134437f9eed42daf20c0755c051577f517
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>