Convert more Android.mk files to Android.bp

These modules have their dependencies satisfied, and aren't doing
anything strange.

Change-Id: I72039a15256cbd5e5eee0d79a15d66d74a6c087d
diff --git a/libnativebridge/Android.bp b/libnativebridge/Android.bp
new file mode 100644
index 0000000..598dfcd
--- /dev/null
+++ b/libnativebridge/Android.bp
@@ -0,0 +1,25 @@
+
+cc_library {
+    name: "libnativebridge",
+
+    host_supported: true,
+    srcs: ["native_bridge.cc"],
+    shared_libs: ["liblog"],
+    clang: true,
+
+    cflags: [
+        "-Werror",
+        "-Wall",
+    ],
+    cppflags: [
+        "-std=gnu++11",
+        "-fvisibility=protected",
+    ],
+
+    host_ldlibs: ["-ldl"],
+    target: {
+        android: {
+            shared_libs: ["libdl"],
+        },
+    },
+}