Enforce TryFailThrowable error_prone rule

Enforce the rule against CTS tests to ensure the tests are
actually checking something and not always passing because
they catch the fail().

Test:  make cts javac-check -j76 TARGET_PRODUCT=aosp_arm64
WITH_DEXPREOPT=false RUN_ERROR_PRONE=true
Bug: 37854485
Bug: 37947046

Change-Id: I8840b9c72bec7ccbec3a1d3f05d7d3002d74c386
diff --git a/build/test_target_java_library.mk b/build/test_target_java_library.mk
index eb11ef7..c932c30 100644
--- a/build/test_target_java_library.mk
+++ b/build/test_target_java_library.mk
@@ -20,5 +20,6 @@
 LOCAL_DEX_PREOPT := false
 LOCAL_STATIC_JAVA_LIBRARIES += platform-test-annotations
 
+-include cts/error_prone_rules_tests.mk
 include $(BUILD_JAVA_LIBRARY)