Add GC coverage test for moving GC

Adds testing coverage for collector transitions and homogeneous space
compaction.

Bug: 10808403

Change-Id: Ia79fecb47c33fc95d940243d6cb1068e9ee9dc9a
diff --git a/test/Android.libarttest.mk b/test/Android.libarttest.mk
index 82f8c79..e51e444 100644
--- a/test/Android.libarttest.mk
+++ b/test/Android.libarttest.mk
@@ -29,6 +29,7 @@
   116-nodex2oat/nodex2oat.cc \
   117-nopatchoat/nopatchoat.cc \
   118-noimage-dex2oat/noimage-dex2oat.cc \
+  1337-gc-coverage/gc_coverage.cc \
   137-cfi/cfi.cc \
   139-register-natives/regnative.cc \
   454-get-vreg/get_vreg_jni.cc \