[fenix] For https://github.com/mozilla-mobile/fenix/issues/8627: Add proper content description to ETP card clickable areas

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/onboarding/OnboardingTrackingProtectionViewHolder.kt

@@ -60,17 +60,33 @@ class OnboardingTrackingProtectionViewHolder(view: View) : RecyclerView.ViewHold
             updateTrackingProtectionPolicy()
         }
 
-        view.clickable_region_standard.setOnClickListener {
+        view.clickable_region_standard.apply {
+            setOnClickListener {
                 standardTrackingProtection.performClick()
             }
+            val standardTitle = view.context.getString(
+                R.string.onboarding_tracking_protection_standard_button
+            )
+            val standardSummary = view.context.getString(
+                R.string.onboarding_tracking_protection_standard_button_description
+            )
+            contentDescription = "$standardTitle. $standardSummary"
+        }
 
         strictTrackingProtection.onClickListener {
             updateTrackingProtectionPolicy()
         }
 
-        view.clickable_region_strict.setOnClickListener {
+        view.clickable_region_strict.apply {
+            setOnClickListener {
                 strictTrackingProtection.performClick()
             }
+            val strictTitle =
+                view.context.getString(R.string.onboarding_tracking_protection_strict_button)
+            val strictSummary =
+                view.context.getString(R.string.onboarding_tracking_protection_strict_button_description)
+            contentDescription = "$strictTitle. $strictSummary"
+        }
     }
 
     private fun updateRadioGroupState(view: View, isChecked: Boolean) {