Sharing protocol constants between Launcher and TAPL

Bug: 110103162
Test: TaplTests
Change-Id: I5b2a2b8576a7a6ea4a156f00858711496d6b5bba
diff --git a/tests/Android.mk b/tests/Android.mk
index 1531c32..03cb154 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -46,7 +46,8 @@
 	libSharedSystemUI
 
 LOCAL_SRC_FILES := $(call all-java-files-under, tapl) \
-  ../quickstep/src/com/android/quickstep/SwipeUpSetting.java
+  ../quickstep/src/com/android/quickstep/SwipeUpSetting.java \
+  ../src/com/android/launcher3/TestProtocol.java
 
 LOCAL_SDK_VERSION := current
 LOCAL_MODULE := ub-launcher-aosp-tapl