Add library test makefile solutions.
Change-Id: Ibc8df9b0e2342683158936bf011425780df8f02a
diff --git a/core/host_test_internal.mk b/core/host_test_internal.mk
new file mode 100644
index 0000000..650b9c6
--- /dev/null
+++ b/core/host_test_internal.mk
@@ -0,0 +1,11 @@
+#####################################################
+## Shared definitions for all host test compilations.
+#####################################################
+
+LOCAL_CFLAGS += -DGTEST_OS_LINUX -DGTEST_HAS_STD_STRING -O0 -g
+LOCAL_C_INCLUDES += external/gtest/include
+
+LOCAL_STATIC_LIBRARIES += libgtest_host libgtest_main_host
+LOCAL_SHARED_LIBRARIES +=
+
+LOCAL_LDLIBS += -lpthread