Introducing linker namespaces

Bug: http://b/22548808
Change-Id: Ia3af3c0a167f1d16447a3d83bb045d143319b1e1
diff --git a/linker/Android.mk b/linker/Android.mk
index 0188a49..85ac0ca 100644
--- a/linker/Android.mk
+++ b/linker/Android.mk
@@ -9,12 +9,12 @@
     dlfcn.cpp \
     linker.cpp \
     linker_allocator.cpp \
-    linker_sdk_versions.cpp \
     linker_block_allocator.cpp \
     linker_libc_support.c \
     linker_mapped_file_fragment.cpp \
     linker_memory.cpp \
     linker_phdr.cpp \
+    linker_sdk_versions.cpp \
     linker_utils.cpp \
     rt.cpp \