Merge "Include sdk-preprocess-files.mk before process sdk.atree" into main am: 8e0ce35829 am: b8e6e297e3

Original change: https://android-review.googlesource.com/c/platform/build/+/3113080

Change-Id: I06ffb2cc58ae522e10a441ccfe14a44456d0936b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/core/Makefile b/core/Makefile
index a215d31..9845437 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -7605,6 +7605,7 @@
 sdk_dep_file := $(sdk_dir)/sdk_deps.mk
 
 ATREE_FILES :=
+include development/build/tools/sdk-preprocess-files.mk
 -include $(sdk_dep_file)
 
 # if we don't have a real list, then use "everything"