Exclude mcts tests from cts based on the env config

Test: make cts EXCLUDE_MCTS=true
Bug: 339554071
Change-Id: Ia81eab597993064f5edc722be6af70bcb143dcab

core/base_rules.mk

@@ -716,6 +716,14 @@ else
   test_config := $(wildcard $(LOCAL_PATH)/AndroidTest.xml)
 endif
 
+ifeq ($(EXCLUDE_MCTS),true)
+  ifneq (,$(test_config))
+    ifneq (,$(filter mcts-%,$(LOCAL_COMPATIBILITY_SUITE)))
+      LOCAL_COMPATIBILITY_SUITE := $(filter-out cts,$(LOCAL_COMPATIBILITY_SUITE))
+    endif
+  endif
+endif
+
 ifneq (true,$(LOCAL_UNINSTALLABLE_MODULE))
 
 # If we are building a native test or benchmark and its stem variants are not defined,