Merge "cronet import: remove unwanted third-party dirs as per aosp/2469560" am: 50a070d268 am: 6963b08f79

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2485659

Change-Id: Ic3e85c668bc5a285e8fe2a1ad4dd59d81bcc34ed
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>