Set libnativebridge style to clang-format-2

Test: clang-format.py ...
Change-Id: Ie08ae6a056f0381590e202a597042fb2490af530
diff --git a/libnativebridge/.clang-format b/libnativebridge/.clang-format
new file mode 120000
index 0000000..fd0645f
--- /dev/null
+++ b/libnativebridge/.clang-format
@@ -0,0 +1 @@
+../.clang-format-2
\ No newline at end of file