Streaming bugreport content to stdout 2/2

- Stream compressed content via the socket from dumpstate
- Remove do_zip_file, do_add_data vars in dumpstate
- getopt '-d' and '-z' options are now no-op
- Rename use_control_socket -> progress_updates_to_socket
- Rename use_socket -> stream_to_socket

do_zip_file and do_add_data are now default behaviors.

Also adding a function interface to hook dumpstate `open_socket`
function that would make it easy to do integration tests of streaming
zipped bugreport via socket. Stub the function and capture data from
target file to verify content.

Bug: 162910469
Test: adb bugreport --stream > test.zip; 7z t test.zip
Test: adb shell bugreportz -s > test.zip; 7z t test.zip
Test: atest dumpstate_test
Test: atest dumpstate_test:ZippedBugReportStreamTest
Test: atest dumpstate_smoke_test
Test: manually test combo keys voldown+volup+power to trigger bugreport
      verify logcat kernel buffer shows "Starting service 'bugreport'
      from keychord 114 115 116" and device viberated as expected

Change-Id: Icf79bbc42a5616e85625bd604e543fbf973911da