Move out inner classes of GraphLens to graph.lens

Change-Id: If12479ce237d2359106cbaa769657e6c2a27e29e
diff --git a/src/main/java/com/android/tools/r8/synthesis/SyntheticClasspathClassReference.java b/src/main/java/com/android/tools/r8/synthesis/SyntheticClasspathClassReference.java
index ecf96e8..cd6fcbf 100644
--- a/src/main/java/com/android/tools/r8/synthesis/SyntheticClasspathClassReference.java
+++ b/src/main/java/com/android/tools/r8/synthesis/SyntheticClasspathClassReference.java
@@ -6,7 +6,7 @@
 import com.android.tools.r8.graph.DexClass;
 import com.android.tools.r8.graph.DexClasspathClass;
 import com.android.tools.r8.graph.DexType;
-import com.android.tools.r8.graph.lens.GraphLens.NonIdentityGraphLens;
+import com.android.tools.r8.graph.lens.NonIdentityGraphLens;
 import com.android.tools.r8.synthesis.SyntheticNaming.SyntheticKind;
 import java.util.function.Function;