Settings: Correctly align cursor in Settings

Steps to Reproduce:
- Click on Density Settings (DPI Settings) / Renaming BT Device / Renaming SIM Settings
- EditText Dialog pops up
- The cursor is at the leftmost side of the text
- Logically Cursor should be at rightmost side which can be aligned grabbing text length

Screenshots:
Before:
http://imgur.com/a/o4vkr
http://imgur.com/a/6Qext

After:
http://imgur.com/a/fuxqT
http://imgur.com/a/vm2WX

Bug: 65185652
Test: RunSettingsRoboTests: OK (47 tests)

Change-Id: Id00308e7e019434edad4afab56cf4719be0d0d54
Signed-off-by: PMS22 <prathams99@rediff.com>

src/com/android/settings/sim/SimPreferenceDialog.java

@@ -40,6 +40,7 @@ import android.widget.Spinner;
 import android.widget.TextView;
 
 import com.android.settings.R;
+import com.android.settings.Utils;
 
 public class SimPreferenceDialog extends Activity {
 
@@ -98,13 +99,14 @@ public class SimPreferenceDialog extends Activity {
 
         EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
         nameText.setText(savedInstanceState.getString(SIM_NAME));
+        Utils.setEditTextCursorPosition(nameText);
     }
 
     private void createEditDialog(Bundle bundle) {
         final Resources res = mContext.getResources();
         EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
         nameText.setText(mSubInfoRecord.getDisplayName());
-
+        Utils.setEditTextCursorPosition(nameText);
         final Spinner tintSpinner = (Spinner) mDialogLayout.findViewById(R.id.spinner);
         SelectColorAdapter adapter = new SelectColorAdapter(mContext,
                 R.layout.settings_color_picker_item, mColorStrings);
@@ -154,7 +156,7 @@ public class SimPreferenceDialog extends Activity {
             @Override
             public void onClick(DialogInterface dialog, int whichButton) {
                 final EditText nameText = (EditText)mDialogLayout.findViewById(R.id.sim_name);
-
+                Utils.setEditTextCursorPosition(nameText);
                 String displayName = nameText.getText().toString();
                 int subId = mSubInfoRecord.getSubscriptionId();
                 mSubInfoRecord.setDisplayName(displayName);