Show work badge icon/description in InCallUI/Dialer

1. Add work profile icon asset from ic_enterprise in go/icons
2. Add UserType and helper function to determine UserType

BUG=26082618

Change-Id: I38ee25a3e9bc71b2c9e1ba57dacb72067b92ace1
diff --git a/res-common/drawable/ic_work_profile.xml b/res-common/drawable/ic_work_profile.xml
new file mode 100644
index 0000000..c811c68
--- /dev/null
+++ b/res-common/drawable/ic_work_profile.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="16dp"
+    android:height="16dp"
+    android:viewportWidth="48"
+    android:viewportHeight="48">
+
+    <!-- https://storage.googleapis.com/icons.google.com.a.appspot.com/google-assets/system_icons/quantum/proprietary/res-export/ic_enterprise_48px.svg -->
+
+    <path
+        android:fillColor="#757575"
+        android:pathData="M28 33h-8v-3H6v8c0 2.2 1.8 4 4 4h28c2.2 0 4-1.8
+4-4v-8H28v3zm12-21h-7V9l-3-3H18l-3 3.1V12H8c-2.2 0-4 1.8-4 4v8c0 2.2 1.8 4 4
+4h12v-3h8v3h12c2.2 0 4-1.8 4-4v-8c0-2.2-1.8-4-4-4zm-10 0H18V9h12v3z" />
+    <path
+        android:pathData="M0 0h48v48H0z" />
+</vector>