Create new trace object when logging from new thread

Create new BootTimingsTraceLog object for logging when starting HIDL
services from different thread, in order to avoid exception.

Bug: 64111691
Test: Manual - device boots, metrics are logged to system/event log
Change-Id: I05834b7fe8078fbf772f9b29f0dd3aa4288f8f23
diff --git a/services/java/com/android/server/SystemServer.java b/services/java/com/android/server/SystemServer.java
index 3c1262f..221b9b4 100644
--- a/services/java/com/android/server/SystemServer.java
+++ b/services/java/com/android/server/SystemServer.java
@@ -828,9 +828,11 @@
             // because it need to connect to SensorManager. This have to start
             // after START_SENSOR_SERVICE is done.
             SystemServerInitThreadPool.get().submit(() -> {
-                traceBeginAndSlog(START_HIDL_SERVICES);
+                TimingsTraceLog traceLog = new TimingsTraceLog(
+                        SYSTEM_SERVER_TIMING_ASYNC_TAG, Trace.TRACE_TAG_SYSTEM_SERVER);
+                traceLog.traceBegin(START_HIDL_SERVICES);
                 startHidlServices();
-                traceEnd();
+                traceLog.traceEnd();
             }, START_HIDL_SERVICES);
 
             if (!disableVrManager) {