Fix age restriction text color in light mode (DEV) #1881

Co-authored-by: Ralf Gehrer <ralfgehrer@users.noreply.github.com>

Corona-Warn-App/src/main/res/layout/include_16_years.xml

@@ -21,6 +21,7 @@
             android:accessibilityHeading="true"
             android:contentDescription="@string/sixteen_title_text"
             android:text="@string/sixteen_title_text"
+            android:textColor="@color/colorTextPrimary1InvertedStable"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
@@ -32,6 +33,7 @@
             android:layout_height="wrap_content"
             android:layout_marginTop="@dimen/spacing_small"
             android:text="@string/sixteen_description_text"
+            android:textColor="@color/colorTextPrimary1InvertedStable"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"