fixup! Bug 41878: Add standalone Tor Bootstrap

fenix/app/src/main/res/drawable/tor_bootstrap_background_gradient.xml

@@ -7,9 +7,9 @@
         <shape>
             <gradient
                     android:angle="225"
-                    android:startColor="#FF7329A4"
-                    android:centerColor="#FF3A3274"
-                    android:endColor="#FF3A3274"
+                    android:startColor="@color/backgroundGradientLight"
+                    android:centerColor="@color/backgroundGradientDark"
+                    android:endColor="@color/backgroundGradientDark"
                     android:type="linear" />
         </shape>
     </item>

fenix/app/src/main/res/values/colors.xml

@@ -273,6 +273,8 @@
     <color name="sync_disconnected_background_private_theme">#5B5846</color>
     <color name="onboarding_illustration_deselected_private_theme">#99FBFBFE</color>
     <color name="prompt_login_edit_text_cursor_color_private_theme">@color/photonViolet50</color>
+    <color name="backgroundGradientDark">#FF3A3274</color>
+    <color name="backgroundGradientLight">#FF7329A4</color>
 
     <!-- Normal theme colors for light mode -->
     <color name="accent_normal_theme">@color/photonInk20</color>

fenix/app/src/main/res/values/styles.xml

@@ -12,7 +12,7 @@
         <item name="android:windowAnimationStyle">@style/WindowAnimationTransition</item>
         <item name="android:progressBarStyleHorizontal">@style/progressBarStyleHorizontal</item>
         <item name="android:statusBarColor">@android:color/transparent</item>
-        <item name="android:windowBackground">@color/fx_mobile_layer_color_1</item>
+        <item name="android:windowBackground">@color/backgroundGradientDark</item>
         <item name="android:colorEdgeEffect">@color/accent_normal_theme</item>
         <item name="android:colorAccent">@color/fx_mobile_text_color_primary</item>
         <item name="android:textColorPrimary">@color/state_list_text_color</item>