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/bluetooth/BluetoothNameDialogFragment.java

@@ -116,6 +116,7 @@ abstract class BluetoothNameDialogFragment extends InstrumentedDialogFragment
             mDeviceNameView.setSelection(deviceName.length());
         }
         mDeviceNameView.addTextChangedListener(this);
+        com.android.settings.Utils.setEditTextCursorPosition(mDeviceNameView);
         mDeviceNameView.setOnEditorActionListener(new TextView.OnEditorActionListener() {
             @Override
             public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {