Update the paths for the NDK libc++ headers.

Bug: http://b/27801981
Change-Id: I75c59b9d58df66874ea5f2b2b1064df28b8c645a
diff --git a/stl.bp b/stl.bp
index 58ceb28..0f9d6b8 100644
--- a/stl.bp
+++ b/stl.bp
@@ -12,7 +12,7 @@
 
 libcxx_includes =  [
     "current/sources/cxx-stl/llvm-libc++/libcxx/include",
-    "current/sources/cxx-stl/llvm-libc++/gabi++/include",
+    "current/sources/cxx-stl/llvm-libc++abi/libcxxabi/include",
     "current/sources/android/support/include",
 ]