Proto dump from SystemUI.

Needs to be called by doing `adb shell dumpsys statusbar --proto`
because using `dumpsys activity service` adds text to the dump.

Will also be dumped as part of the BR

Test: atest SystemUITests
Test: Used in CTS
Test: manual dump and BR
Fixes 237786667

Change-Id: I74abf65a76c059ea9bb5a14728192b6b683b7fc7

services/java/com/android/server/SystemServer.java

@@ -1823,7 +1823,8 @@ public final class SystemServer implements Dumpable {
                 t.traceBegin("StartStatusBarManagerService");
                 try {
                     statusBar = new StatusBarManagerService(context);
-                    ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
+                    ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar, false,
+                            DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PROTO);
                 } catch (Throwable e) {
                     reportWtf("starting StatusBarManagerService", e);
                 }