Add cc_library_headers macro to support cc_library_headers bp2build conversion.

Test: cd bionic/libc; bazel build ...
Change-Id: I85436a6d8510e4cb9d82f355db3c5827a3c99bea
diff --git a/rules/cc_library_headers.bzl b/rules/cc_library_headers.bzl
new file mode 100644
index 0000000..e0d91a5
--- /dev/null
+++ b/rules/cc_library_headers.bzl
@@ -0,0 +1,19 @@
+def cc_library_headers(
+        name,
+        deps = [],
+        hdrs = [],
+        includes = [],
+        native_bridge_supported = False, # TODO: not supported yet.
+        **kwargs):
+    "Bazel macro to correspond with the cc_library_headers Soong module."
+
+    # Silently drop these attributes for now:
+    # - native_bridge_supported
+    native.cc_library(
+        name = name,
+        deps = deps,
+        hdrs = hdrs,
+        includes = includes,
+        **kwargs
+    )
+