Add verbose=1 to build config.

* This shows running and updating commands of major build steps.

Change-Id: I8ac28582fe1e3f1d576dc2211b0007a4d2c6961a
diff --git a/config_toml.py b/config_toml.py
index e39a2ed..e4f25ad 100644
--- a/config_toml.py
+++ b/config_toml.py
@@ -73,6 +73,7 @@
 target = {all_targets_config}
 cargo = "{cargo}"
 rustc = "{rustc}"
+verbose = 1
 docs = false
 submodules = false
 locked-deps = true