Merge "Add tests for PAC proxies." am: 5e76b40973 am: 4155e6ec97

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1729152

Change-Id: I743392b5fdf6276afb7a6caef4feac66fba7e2f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>