Build ijar for apps build

This fixes git_master-linux-apps build.

Change-Id: I1a77b2495d98d89f570cb165d7f25f617c9af9aa
diff --git a/tools/Android.mk b/tools/Android.mk
index 30febd6..30a064f 100644
--- a/tools/Android.mk
+++ b/tools/Android.mk
@@ -27,6 +27,6 @@
 
 else # TARGET_BUILD_APPS
 
-include $(LOCAL_PATH)/apicheck/Android.mk
+include $(LOCAL_PATH)/apicheck/Android.mk $(LOCAL_PATH)/ijar/Android.mk
 
 endif