Set the container field of aconfig flags
Test: printflags --format='{package}:{container}:' | grep "::"
Bug: 312769710
Flag: NONE
Change-Id: I4fc69f563ead7206ef48278be4fb4cbcfc9cb1f7
a larger THREAD_ENABLED_PLATFORM flag which guards all Thread-related
platform changes is used for the Thread settings change. But we need
more flexible control of the UX release timeline. So use a dedicated
THREAD_SETTINGS_ENABLED flag here.
Bug: 329384658
Change-Id: Ib5b3ae3c71ccc890fc46af982b021858774938f3