Merge "build: Add extra build customization for /product"

diff --cc core/Makefile
index 2f7ebdf,94585c6..3a323d1
--- 1/core/Makefile
--- 2/core/Makefile
+++ b/core/Makefile
@@@ -1975,10 -1970,9 +1976,11 @@@ include $(sort $(wildcard $(BUILD_SYSTE
  # Also the project-specific tasks
  -include $(sort $(wildcard vendor/*/*/build/tasks/*.mk))
  -include $(sort $(wildcard device/*/*/build/tasks/*.mk))
+ -include $(sort $(wildcard product/*/*/build/tasks/*.mk))
  endif
  
 +include $(BUILD_SYSTEM)/product-graph.mk
 +
  # -----------------------------------------------------------------
  # Create SDK repository packages. Must be done after tasks/* since
  # we need the addon rules defined.