ART: Add JIT cache race test

Adds a test for the JIT code cache that attempts to trap races between
threads generating code and executing it.

Bug: 38417984
Test: run-test --jit 707
Change-Id: I408b2680b1d266ebe624d6e39113f0261d538e8a
diff --git a/test/Android.bp b/test/Android.bp
index 599b011..d9b3091 100644
--- a/test/Android.bp
+++ b/test/Android.bp
@@ -393,6 +393,7 @@
         "626-const-class-linking/clear_dex_cache_types.cc",
         "642-fp-callees/fp_callees.cc",
         "647-jni-get-field-id/get_field_id.cc",
+        "708-jit-cache-churn/jit.cc"
     ],
     shared_libs: [
         "libbacktrace",