通过线程执行，避免ANR

mpmaster/src/main/java/com/xypower/mpmaster/MpMasterService.java

@@ -393,6 +393,17 @@ public class MpMasterService extends Service {
     public boolean shouldSyncTime() { return mSyncTime; }
 
     public void detectMpAppAlive() {
+        final MpMasterService thisObj = this;
+        Thread th = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                thisObj.detectMpAppAliveImpl();
+            }
+        });
+        th.start();
+    }
+
+    private void detectMpAppAliveImpl() {
         try {
             final Context context = getApplicationContext();
             long ts = System.currentTimeMillis();