Makefiles: Use project pathmap to determine build eligibility

Change-Id: Ie14dbc002bd06fdbfd85d77b8d0f892d286d889b
diff --git a/Android.mk b/Android.mk
index a094756..e1c3023 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,3 +1,3 @@
-ifeq ($(BOARD_USES_QCOM_HARDWARE),true)
+ifeq ($(call my-dir),$(call project-path-for,qcom-dataservices))
 include $(call all-subdir-makefiles)
 endif