Update trace buffer to support SysUI & Launcher

- Move TraceBuffer to sysui-accessible package, and make it generic
  to support both lite and nano proto callers
- Expose shell command to start/stop sysui tracing

Bug: 144854916
Test: atest TraceBufferTest

Change-Id: Id117024d943f148a91631fd9fcae1fd70fca8ab5

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

@@ -1327,7 +1327,7 @@ public final class SystemServer {
             if (!isWatch) {
                 t.traceBegin("StartStatusBarManagerService");
                 try {
-                    statusBar = new StatusBarManagerService(context, wm);
+                    statusBar = new StatusBarManagerService(context);
                     ServiceManager.addService(Context.STATUS_BAR_SERVICE, statusBar);
                 } catch (Throwable e) {
                     reportWtf("starting StatusBarManagerService", e);