Build ijar for apps build

This fixes git_master-linux-apps build.

(cherry picked from commit 90847057446374f818b49a742c567f82db02438e)

Change-Id: I4399ca2662e08c9b3cc2ad5a317e84d91b728115
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