Closes #7720:

- Increased atp switch size to be consistent with `dimen/tracking_protection_item_height`(48dp).
- Cut out redundant traversal of TextViews in SwitchWithTraversal as per https://github.com/mozilla-mobile/shared-docs/blob/master/android/accessibility_guide.md
- Reuse `QuickSettingsText.Icon` style on the switch component to be consistent with other items in the component_tracking_protection_panel.xml
- Added new string resources for textOff and textOn state to get appropriate screen reader description (unsure of the translation/localisation process here!)

app/src/main/res/layout/component_tracking_protection_panel.xml

@@ -31,7 +31,7 @@
         <org.mozilla.fenix.trackingprotection.SwitchWithDescription
             android:id="@+id/trackingProtectionSwitch"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
+            android:layout_height="@dimen/tracking_protection_item_height"
             android:minHeight="@dimen/tracking_protection_item_height"
             android:text="@string/preference_enhanced_tracking_protection"
             app:layout_constraintBottom_toTopOf="@id/blocking_header"

app/src/main/res/layout/switch_with_description.xml

@@ -16,6 +16,8 @@
         android:layout_marginStart="48dp"
         android:layout_marginEnd="64dp"
         android:clickable="false"
+        android:focusable="false"
+        android:importantForAccessibility="no"
         android:textAppearance="@style/ListItemTextStyle"
         android:textSize="16sp"
         app:layout_constraintBottom_toTopOf="@+id/trackingProtectionCategoryItemDescription"
@@ -31,6 +33,8 @@
         android:layout_width="0dp"
         android:layout_height="wrap_content"
         android:clickable="false"
+        android:focusable="false"
+        android:importantForAccessibility="no"
         android:textColor="?attr/secondaryText"
         android:layout_marginBottom="4dp"
         app:layout_constraintBottom_toBottomOf="parent"
@@ -43,12 +47,13 @@
 
     <Switch
         android:id="@+id/switch_widget"
+        style="@style/QuickSettingsText.Icon"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginStart="@dimen/library_item_icon_margin_horizontal"
-        android:layout_marginEnd="@dimen/library_item_icon_margin_horizontal"
+        android:layout_height="match_parent"
+        android:textOff="@string/etp_switch_off"
+        android:textOn="@string/etp_switch_on"
         app:drawableStartCompat="@drawable/ic_tracking_protection"
         app:layout_constraintBottom_toBottomOf="@id/trackingProtectionCategoryItemDescription"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintTop_toTopOf="@id/trackingProtectionCategoryTitle" />
+        app:layout_constraintTop_toTopOf="parent" />
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -1045,6 +1045,10 @@
     <string name="etp_panel_on">Protections are ON for this site</string>
     <!-- Enhanced Tracking Protection message that protection is currently off for this site -->
     <string name="etp_panel_off">Protections are OFF for this site</string>
+    <!-- Text to announce when Enhanced Tracking Protection switch is ON -->
+    <string name="etp_switch_on">Enhanced Tracking Protection On</string>
+    <!-- Text to announce when Enhanced Tracking Protection switch is OFF -->
+    <string name="etp_switch_off">Enhanced Tracking Protection Off</string>
     <!-- Header for exceptions list for which sites enhanced tracking protection is always off -->
     <string name="enhanced_tracking_protection_exceptions">Enhanced Tracking Protection is off for these websites</string>
     <!-- Content description (not visible, for screen readers etc.): Navigate