Add SecondaryDisplayLauncherLib in Launcher3QuickStep

Add the secondary launcher activity in Launcher3QuickStep to support
secondary display.

Bug: 118206886
Test: Manual test on cf_x86_phone-userdebug
Change-Id: I4787f92fe32bb89f5f4c4fc3f93a4d3f27d5d2e6
diff --git a/Android.mk b/Android.mk
index cccf4e4..0477dab 100644
--- a/Android.mk
+++ b/Android.mk
@@ -182,7 +182,9 @@
 endif
 LOCAL_MODULE := Launcher3QuickStepLib
 LOCAL_PRIVILEGED_MODULE := true
-LOCAL_STATIC_ANDROID_LIBRARIES := Launcher3CommonDepsLib
+LOCAL_STATIC_ANDROID_LIBRARIES := \
+    Launcher3CommonDepsLib \
+    SecondaryDisplayLauncherLib
 
 LOCAL_SRC_FILES := \
     $(call all-java-files-under, src) \