Let apicheck visible to unbundled build.

Change-Id: I22cd1e67aeb6bf23229016215ee0a15f5116513f
(cherry picked from commit 48d132659ebf99cf41d9fbf62ab1f09604938ca7)
diff --git a/tools/Android.mk b/tools/Android.mk
index f646c37..30febd6 100644
--- a/tools/Android.mk
+++ b/tools/Android.mk
@@ -14,10 +14,10 @@
 # limitations under the License.
 #
 
-ifeq (,$(TARGET_BUILD_APPS))
-
 LOCAL_PATH := $(call my-dir)
 
+ifeq (,$(TARGET_BUILD_APPS))
+
 ifeq ($(TARGET_BUILD_PDK),true)
 include $(filter-out %/acp/Android.mk %/signapk/Android.mk %/zipalign/Android.mk,\
   $(call all-makefiles-under,$(LOCAL_PATH)))
@@ -25,4 +25,8 @@
 include $(call all-makefiles-under,$(LOCAL_PATH))
 endif # PDK
 
+else # TARGET_BUILD_APPS
+
+include $(LOCAL_PATH)/apicheck/Android.mk
+
 endif