Switch control should not be activated after event

happens off of the target region.

- Disable the focusable and clickable features.

Fix: 189079003
Test: robotest and test the switch manually
Change-Id: I0fa19c132ddfd5a3e010bf8328c6b84c1087d78b

packages/SettingsLib/MainSwitchPreference/res/layout-v31/settingslib_main_switch_bar.xml

@@ -59,6 +59,8 @@
             android:layout_width="wrap_content"
             android:layout_height="48dp"
             android:layout_gravity="center_vertical"
+            android:focusable="false"
+            android:clickable="false"
             android:track="@drawable/settingslib_track_selector"
             android:thumb="@drawable/settingslib_thumb_selector"
             android:theme="@style/MainSwitch.Settingslib"/>

packages/SettingsLib/tests/robotests/src/com/android/settingslib/widget/MainSwitchBarTest.java

@@ -75,6 +75,14 @@ public class MainSwitchBarTest {
         assertThat(switchObj).isNotNull();
     }
 
+    @Test
+    public void getSwitch_shouldNotFocusableAndClickable() {
+        final Switch switchObj = mBar.getSwitch();
+
+        assertThat(switchObj.isFocusable()).isFalse();
+        assertThat(switchObj.isClickable()).isFalse();
+    }
+
     @Test
     public void show_shouldVisible() {
         mBar.show();