Record module type statistics

Creates a build_system_stats.txt build artifact that contains statistics
on how many BUILD_* modules are defined in a build. Also writes out
information about the Soong module types sent from the Soong build.

Merged-In: Iaf0c7062f542dc6942b5349854f3d49267cac4a5
Change-Id: Iaf0c7062f542dc6942b5349854f3d49267cac4a5
diff --git a/core/package.mk b/core/package.mk
index 8c2c435..4fe058d 100644
--- a/core/package.mk
+++ b/core/package.mk
@@ -2,6 +2,8 @@
 # TARGET_ARCH and TARGET_2ND_ARCH.
 # To build it for TARGET_2ND_ARCH in a 64bit product, use "LOCAL_MULTILIB := 32".
 
+$(call record-module-type,PACKAGE)
+
 ifeq ($(TARGET_TRANSLATE_2ND_ARCH),true)
 LOCAL_MULTILIB := first
 endif