Merge "Split testFirewallBlocking to tests for each chain" am: 41c8430b82

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2483816

Change-Id: I4c26f9b6ba7df6402517c8264d942d87ab36fad1
Signed-off-by: Automerger Merge Worker <[email protected]>