Move connecting/disconnecting from service to onCreate/Destroy

When using minimized Custom Tabs, if a Custom Tab is-relaunched
while a previous one is minimized, while connected to the Custom
Tabs service, the existing minimized tab will be killed and a
new one launched.

demos/custom-tabs-example-app/src/main/java/org/chromium/customtabsdemos/ServiceConnectionActivity.java

@@ -15,6 +15,7 @@
 
 import android.net.Uri;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.widget.EditText;
 
@@ -36,21 +37,23 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_serviceconnection);
 
-        customTabActivityHelper = new CustomTabActivityHelper();
-        customTabActivityHelper.setConnectionCallback(this);
-
         mUrlEditText = findViewById(R.id.url);
         mMayLaunchUrlButton = findViewById(R.id.button_may_launch_url);
         mMayLaunchUrlButton.setEnabled(false);
         mMayLaunchUrlButton.setOnClickListener(this);
 
         findViewById(R.id.start_custom_tab).setOnClickListener(this);
+
+        customTabActivityHelper = new CustomTabActivityHelper();
+        customTabActivityHelper.setConnectionCallback(this);
+        customTabActivityHelper.bindCustomTabsService(this);
     }
 
     @Override
     protected void onDestroy() {
         super.onDestroy();
         customTabActivityHelper.setConnectionCallback(null);
+        customTabActivityHelper.unbindCustomTabsService(this);
     }
 
     @Override
@@ -63,19 +66,6 @@ public void onCustomTabsDisconnected() {
         mMayLaunchUrlButton.setEnabled(false);
     }
 
-    @Override
-    protected void onStart() {
-        super.onStart();
-        customTabActivityHelper.bindCustomTabsService(this);
-    }
-
-    @Override
-    protected void onStop() {
-        super.onStop();
-        customTabActivityHelper.unbindCustomTabsService(this);
-        mMayLaunchUrlButton.setEnabled(false);
-    }
-
     @Override
     public void onClick(View view) {
         int viewId = view.getId();