Update work briefcase asset.

Bug: 36497538
Test: Manual - visually checked icons.

Change-Id: I1d5dd1b80bd32667e47dfc4a1c355a5106271d72
(cherry picked from commit d49d28a8aee5ee00f5e8368bb1448b991608cf4a)
diff --git a/packages/SystemUI/res/interpolator/ic_signal_workmode_enable_animation_interpolator_0.xml b/packages/SystemUI/res/interpolator/ic_signal_workmode_enable_animation_interpolator_0.xml
new file mode 100644
index 0000000..4a5fde9
--- /dev/null
+++ b/packages/SystemUI/res/interpolator/ic_signal_workmode_enable_animation_interpolator_0.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<pathInterpolator
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:pathData="M 0.0,0.0 c 0.33333333,0.0 0.83333333333,1.0 1.0,1.0" />