And display this label as fallback when Regulatory Image is missing.
Bug: 329378943
Test: manual - on SIMs
Test: unit test
Change-Id: I0b8851da20face9ca444b3e6456a4a662b944b65
Fix kotlin nullable errors that were exposed by setting the retention
of android.annotation.NonNull and android.annotation.Nullable to
class retention.
Bug: 294110802
Test: builds
Change-Id: I6aa0516fa4f6443b6d4dff873baf3b08ff9189f0
When config_regulatory_info_overlay_package_name is configured, load
regulatory labels directly from overlay package.
Also fix RegulatoryInfoDisplayActivity missing dialog theme.
Bug: 283170651
Test: unit test
Test: manual - check regulatory labels
Change-Id: Ia1f6848abe0da9facf34f47abab09e88d57e74d6