Add functions to provide target sdk version

Bug: http://b/21364029
Change-Id: I8648d1bff6c8fd6e7cd12da7f128e048b9f2829a
diff --git a/libdl/libdl.map b/libdl/libdl.map
new file mode 100644
index 0000000..a911cb6
--- /dev/null
+++ b/libdl/libdl.map
@@ -0,0 +1,39 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LIBC {
+  global:
+    android_dlopen_ext;
+    dl_iterate_phdr;
+# begin arm-only
+    dl_unwind_find_exidx;
+# end arm-only
+    dladdr;
+    dlclose;
+    dlerror;
+    dlopen;
+    dlsym;
+  local:
+    *;
+};
+
+LIBC_PRIVATE {
+  global:
+    android_get_application_target_sdk_version;
+    android_set_application_target_sdk_version;
+    android_get_LD_LIBRARY_PATH;
+    android_update_LD_LIBRARY_PATH;
+} LIBC;