Fix bp2build breakage by denylisting //system/apex/libs/libapexsupport/...

Added in
https://android-review.git.corp.google.com/c/platform/system/apex/+/2623829/,
but the modules depend on rust_* modules.

Test: bp2build-incremental presubmit
Change-Id: I229a2442e1b8a89ab768b54dfa713a8b97908436
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index 1f51c7e..78f1de2 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -334,6 +334,7 @@
 		"system/apex":                                            Bp2BuildDefaultFalse, // TODO(b/207466993): flaky failures
 		"system/apex/apexer":                                     Bp2BuildDefaultTrue,
 		"system/apex/libs":                                       Bp2BuildDefaultTrueRecursively,
+		"system/apex/libs/libapexsupport":                        Bp2BuildDefaultFalseRecursively, // TODO(b/267572288): depends on rust
 		"system/apex/proto":                                      Bp2BuildDefaultTrueRecursively,
 		"system/apex/tools":                                      Bp2BuildDefaultTrueRecursively,
 		"system/core/debuggerd":                                  Bp2BuildDefaultTrueRecursively,