Add card table test.

Tests some of the functionality supported by the card table.

Removed some logcat spam from monitor_pool.

Change-Id: I1423816a72572f78aca44552effa2b4c6aac46c8
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index 6e27190..9ee3b69 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -91,6 +91,7 @@
   runtime/entrypoints/quick/quick_trampoline_entrypoints_test.cc \
   runtime/entrypoints_order_test.cc \
   runtime/exception_test.cc \
+  runtime/gc/accounting/card_table_test.cc \
   runtime/gc/accounting/space_bitmap_test.cc \
   runtime/gc/heap_test.cc \
   runtime/gc/space/dlmalloc_space_base_test.cc \