Add more tests to TEST_MAPPING

Test: treehugger
Change-Id: I1d7dd32fd7f90a20d61de4701293527f83dc4ec4
diff --git a/libc/malloc_debug/Android.bp b/libc/malloc_debug/Android.bp
index 3b3a22e..0601ce9 100644
--- a/libc/malloc_debug/Android.bp
+++ b/libc/malloc_debug/Android.bp
@@ -125,6 +125,7 @@
 // ==============================================================
 cc_test {
     name: "malloc_debug_unit_tests",
+    test_suites: ["device-tests"],
 
     srcs: [
         "tests/backtrace_fake.cpp",