Merge "Add test for NetworkRequest.Builder(NetworkRequest)" am: 28f3e69a25 am: 44f9593f24 am: 1230993fb4

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1650232

Change-Id: I2d18de3b13fe687b5dfdf5ded5caa62f15de3644