Merge "cronet: add script to generate desc_*.json" am: e54ec746d7

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2374717

Change-Id: I6b829475efa4b2c51612a62b3695a5aa2af01e7c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>