Adding in call screen template.

Along with glow pad for incoming call interaction..

Change-Id: I8d518b5247bee4a10c8fd06763a7e3fe6cff5652
diff --git a/InCallUI/proguard.flags b/InCallUI/proguard.flags
new file mode 100644
index 0000000..8fa10e0
--- /dev/null
+++ b/InCallUI/proguard.flags
@@ -0,0 +1,3 @@
+-keep class com.android.incallui.widget.multiwaveview.* {
+  *;
+}