Merge "Add more test coverage for UrlRequest and ConnectionMigrationOptions." am: a23a74a232

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2472109

Change-Id: I2bfb057a39a8ae273aa8bfe0d291a9ea8089c185
Signed-off-by: Automerger Merge Worker <[email protected]>