COVAPP-480: Use the correct disabled button style

app/src/main/res/color/color_blue_disableable.xml

 <?xml version="1.0" encoding="utf-8"?>
 <selector xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:color="@color/blue_disabled" android:state_enabled="false"/>
+    <item android:color="@color/gray2" android:state_enabled="false"/>
     <item android:color="@color/blue"/>
 </selector>

app/src/main/res/color/color_primary_button.xml

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:color="@color/white"/>
+</selector>

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

@@ -14,7 +14,6 @@
     <color name="accent">@color/primary</color>
     <color name="darkBlue">#00005A</color>
     <color name="blue">#003CFF</color>
-    <color name="blue_disabled">#40003CFF</color>
     <color name="background">#F0F1F2</color>
     <color name="white">#FFFFFF</color>
     <color name="lightYellow">#FCEDC5</color>

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

@@ -264,6 +264,7 @@
         <item name="android:paddingEnd">@dimen/size_24</item>
         <item name="android:textSize">@dimen/text_size_12</item>
         <item name="backgroundTint">@color/color_blue_disableable</item>
+        <item name="android:textColor">@color/color_primary_button</item>
     </style>
 
     <style name="AppTheme.Button.Short">