Added bitwise-or and bitwise-and to BitSet

Change-Id: I9bbf41f9d2d4a2593b0e6d7d8be7e283f985bade
diff --git a/libs/utils/tests/Android.mk b/libs/utils/tests/Android.mk
index a6d9cbe..caedaff 100644
--- a/libs/utils/tests/Android.mk
+++ b/libs/utils/tests/Android.mk
@@ -6,6 +6,7 @@
 test_src_files := \
     BasicHashtable_test.cpp \
     BlobCache_test.cpp \
+    BitSet_test.cpp \
     Looper_test.cpp \
     LruCache_test.cpp \
     String8_test.cpp \