Prepare for libnative{bridge,loader} moving to art/

Add temporary public visibility for libraries.

Update bpfmt for ART's repohooks.

Bug: 137364733
Test: m nothing
Test: copy libs to art/, create a CL, run repohooks, m nothing.

Change-Id: Ib9a280136e4b992fe17b8943cf404c9c803efb8d
diff --git a/libnativebridge/Android.bp b/libnativebridge/Android.bp
index 10d42e4..c97845d 100644
--- a/libnativebridge/Android.bp
+++ b/libnativebridge/Android.bp
@@ -21,6 +21,8 @@
 cc_library {
     name: "libnativebridge",
     defaults: ["libnativebridge-defaults"],
+    // TODO(oth): remove after moving under art/ (b/137364733)
+    visibility: ["//visibility:public"],
 
     host_supported: true,
     srcs: ["native_bridge.cc"],
@@ -52,6 +54,8 @@
 cc_library {
     name: "libnativebridge_lazy",
     defaults: ["libnativebridge-defaults"],
+    // TODO(oth): remove after moving under art/ (b/137364733)
+    visibility: ["//visibility:public"],
 
     host_supported: false,
     srcs: ["native_bridge_lazy.cc"],