Update authentication simplenote logo from separate files to color resources

Author: theck13

Simplenote/src/main/res/drawable-night/ic_simplenote_blue_24dp.xml

@@ -8,7 +8,7 @@
     android:viewportWidth="24">
 
     <path
-        android:fillColor="@color/blue"
+        android:fillColor="@color/authentication_logo"
         android:pathData="M24,12c0-6.3-5-11.7-10.9-12C11.9,0,10.7,0.3,9.8,1C8.9,1.8,8.3,2.9,8.2,4.1c-0.2,2.7,2.2,4.3,4.5,5c5.6,1.6,8.9,5.6,8.6,10.5C23,17.5,24,14.9,24,12L24,12z M11.5,13.7c-5.3-1.5-8.4-5.4-8-10c0-0.1,0-0.1,0-0.2C1.3,5.7,0,8.7,0,12c0,6.3,5.1,11.8,11.1,12c1.3,0,2.6-0.3,3.6-1.2c1-0.9,1.7-2.1,1.8-3.5C16.9,15.7,13.5,14.3,11.5,13.7L11.5,13.7z" >
     </path>
 

Simplenote/src/main/res/drawable/ic_simplenote_blue_24dp.xml

@@ -3,6 +3,7 @@
 <resources>
 
     <!-- SEMANTIC -->
+    <color name="authentication_logo">@color/simplenote_blue_20</color>
     <color name="background_list_black_activated">@color/background_dark_black_8</color>
     <color name="background_list_black_ripple">@color/background_dark_black_2</color>
     <color name="background_list_classic_activated">@color/blue_70</color>

Simplenote/src/main/res/values-night/colors.xml

@@ -55,6 +55,7 @@
     <color name="passcodelock_prompt_text_color">@android:color/white</color>
 
     <!-- SEMANTIC -->
+    <color name="authentication_logo">@color/simplenote_blue_50</color>
     <color name="background_dark">@color/background_dark_1</color>
     <color name="background_dark_highlight">@color/background_dark_8</color>
     <color name="background_dark_highlight_drawer">#4d5152</color>