Use the shaded CF dataflow jar

Fixes https://github.com/google/error-prone/pull/1499

PiperOrigin-RevId: 294723271
diff --git a/src/java_tools/buildjar/java/com/google/devtools/build/buildjar/javac/BlazeJavacMain.java b/src/java_tools/buildjar/java/com/google/devtools/build/buildjar/javac/BlazeJavacMain.java
index eebdde1..e99d78c 100644
--- a/src/java_tools/buildjar/java/com/google/devtools/build/buildjar/javac/BlazeJavacMain.java
+++ b/src/java_tools/buildjar/java/com/google/devtools/build/buildjar/javac/BlazeJavacMain.java
@@ -280,7 +280,7 @@
                   || name.startsWith("com.google.common.collect.")
                   || name.startsWith("com.google.common.base.")
                   || name.startsWith("com.google.common.graph.")
-                  || name.startsWith("org.checkerframework.dataflow.")
+                  || name.startsWith("org.checkerframework.shaded.dataflow.")
                   || name.startsWith("com.sun.source.")
                   || name.startsWith("com.sun.tools.")
                   || name.startsWith("com.google.devtools.build.buildjar.javac.statistics.")