Build complete set of context-dependent methods in nest lens.

Change-Id: Iaf8dc4dc7a9bce25b956b365ffe5af5be9a4ef5e
diff --git a/src/main/java/com/android/tools/r8/ir/desugar/NestedPrivateMethodLense.java b/src/main/java/com/android/tools/r8/ir/desugar/NestedPrivateMethodLense.java
index ded1538..a6118a8 100644
--- a/src/main/java/com/android/tools/r8/ir/desugar/NestedPrivateMethodLense.java
+++ b/src/main/java/com/android/tools/r8/ir/desugar/NestedPrivateMethodLense.java
@@ -13,8 +13,10 @@
 import com.android.tools.r8.graph.RewrittenPrototypeDescription;
 import com.android.tools.r8.ir.code.Invoke;
 import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Sets;
 import java.util.IdentityHashMap;
 import java.util.Map;
+import java.util.Set;
 
 public class NestedPrivateMethodLense extends NestedGraphLense {
 
@@ -107,6 +109,19 @@
   }
 
   @Override
+  public Set<DexMethod> lookupMethodInAllContexts(DexMethod method) {
+    Set<DexMethod> result = Sets.newIdentityHashSet();
+    for (DexMethod previous : previousLense.lookupMethodInAllContexts(method)) {
+      result.add(previous);
+      DexMethod bridge = methodMap.get(previous);
+      if (bridge != null) {
+        result.add(bridge);
+      }
+    }
+    return result;
+  }
+
+  @Override
   public GraphLenseLookupResult lookupMethod(
       DexMethod method, DexMethod context, Invoke.Type type) {
     assert originalMethodSignatures == null;