Support symbol versioning

Bug: http://b/20139821
Change-Id: I64122a0fb0960c20b2ce614161b7ab048456b681
diff --git a/tests/libs/versioned_lib_v2.map b/tests/libs/versioned_lib_v2.map
new file mode 100644
index 0000000..bb38102
--- /dev/null
+++ b/tests/libs/versioned_lib_v2.map
@@ -0,0 +1,16 @@
+TESTLIB_V0 {
+  global:
+    version_zero_function;
+  local:
+    versioned_function_v*;
+};
+
+TESTLIB_V1 {
+  global:
+    versioned_function;
+} TESTLIB_V0;
+
+TESTLIB_V2 {
+  global:
+    versioned_function;
+} TESTLIB_V1;