Import 'clang-sys' package version 0.29.3

* Add OWNERS
* No Android.bp yet
Bug: 152884384
Test: make

Change-Id: I1d652df9a2f868b46957554a8ade394acbfe7af0
diff --git a/.cargo_vcs_info.json b/.cargo_vcs_info.json
new file mode 100644
index 0000000..4fa2e6b
--- /dev/null
+++ b/.cargo_vcs_info.json
@@ -0,0 +1,5 @@
+{
+  "git": {
+    "sha1": "4d0ce68f60cb9d9ce6c1e0f1794af7b1a5671bee"
+  }
+}