Update bp2build denylist cause

The binary is converted; however, there are still issues with the host
toolchain.

Test: build/bazel/ci/bp2build.sh
Change-Id: Idf864ea6c64c0c7bbbaa0c9d43d6eac5120e0268
diff --git a/android/bazel.go b/android/bazel.go
index 22fbd4d..2213945 100644
--- a/android/bazel.go
+++ b/android/bazel.go
@@ -249,8 +249,8 @@
 		"build_tools_source_properties",
 
 		// //external/libcap/...
-		"libcap",      // http://b/198595332, depends on _makenames, a cc_binary
-		"cap_names.h", // http://b/198596102, depends on _makenames, a cc_binary
+		"cap_names.h", // http://b/196105070 host toolchain misconfigurations for mixed builds
+		"libcap",      // http://b/196105070 host toolchain misconfigurations for mixed builds
 
 		"libminijail", // depends on unconverted modules: libcap
 		"getcap",      // depends on unconverted modules: libcap