APKs part of CTS should have LOCAL_DEX_PREOPT := false (1 of 2)

Change-Id: I6bfadc28d804d48e51727e80e140fe9ae8b1380a
diff --git a/build/test_package.mk b/build/test_package.mk
index e8d812b..071acee 100644
--- a/build/test_package.mk
+++ b/build/test_package.mk
@@ -19,6 +19,9 @@
 # Replace "include $(BUILD_PACKAGE)" with "include $(BUILD_CTS_PACKAGE)"
 #
 
+# Disable by default so "m cts" will work in emulator builds
+LOCAL_DEX_PREOPT := false
+
 include $(BUILD_PACKAGE)
 
 cts_package_apk := $(CTS_TESTCASES_OUT)/$(LOCAL_PACKAGE_NAME).apk