Remove adbd from bazel prod allowlist

This is to prepare for an imminent launch of bazel prod mode to all
users.

Note that this means a temporary test regression for bazel-built adbd, as
we have CI builds in place to verify adbd prod mode, and now we will
have no e2e coverage of mixed builds with adbd allowlisted. Still, this
test regression should hopefully be shortlived, as we begin launching
bazel-built build chunks as part of feature rollout in the coming weeks.

Test: Treehugger
Change-Id: I3c34ce91ac3454d1f71340a0fa03951f2e69f203
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 1cc4d54..267ab42 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -1336,9 +1336,7 @@
 		"prebuilt_currysrc_org.eclipse",
 	}
 
-	ProdMixedBuildsEnabledList = []string{
-		"com.android.adbd",
-	}
+	ProdMixedBuildsEnabledList = []string{}
 
 	// Staging builds should be entirely prod, plus some near-ready ones. Add the
 	// new ones to the first argument as needed.