Rename bpf_map_utils to bpf_headers

Use a generic name so that it can contain more bpf related headers.

Bug: 202086915
Test: build
Change-Id: I36d93cbc77723464df84023752915e1e79e623df
diff --git a/bpfloader/Android.bp b/bpfloader/Android.bp
index d88108d..beff687 100644
--- a/bpfloader/Android.bp
+++ b/bpfloader/Android.bp
@@ -39,7 +39,7 @@
         memtag_heap: true,
     },
     clang: true,
-    header_libs: ["bpf_map_utils"],
+    header_libs: ["bpf_headers"],
     shared_libs: [
         "libcutils",
         "libbpf_android",