pvmfw: Move bcc under dice::chain

Prepare for heavily changing the file by first moving/renaming it.

Note that libpvmfw.dice.test now also includes dice::chain, as a result.

Test: m libpvmfw.dice.test pvmfw_bin
Change-Id: I9edb0fc8aa54a50c756de2ac3f9c82ce83f5e51a
diff --git a/guest/pvmfw/Android.bp b/guest/pvmfw/Android.bp
index 6f113c8..cd32f8f 100644
--- a/guest/pvmfw/Android.bp
+++ b/guest/pvmfw/Android.bp
@@ -113,13 +113,15 @@
 
 rust_test {
     name: "libpvmfw.dice.test",
-    srcs: ["src/dice.rs"],
+    srcs: ["src/dice/mod.rs"],
     defaults: ["libpvmfw.test.defaults"],
     rustlibs: [
         "libcbor_util",
         "libciborium",
+        "libcoset_nostd",
         "libdiced_open_dice_nostd",
         "libhwtrust",
+        "liblog_rust",
         "libpvmfw_avb_nostd",
         "libdiced_sample_inputs_nostd",
         "libzerocopy_nostd",