Handle annotations on qualified type names (#63)

Context: #59

core/src/main/java/com/google/googlejavaformat/java/JavaInputAstVisitor.java

@@ -1573,10 +1573,10 @@ public boolean visit(QualifiedType node) {
     sync(node);
     builder.open(plusFour);
     // Collapse chains of "." operators.
-    ArrayDeque<SimpleName> stack = new ArrayDeque<>();
+    ArrayDeque<QualifiedType> stack = new ArrayDeque<>();
     Type qualifier;
     while (true) {
-      stack.add(node.getName());
+      stack.addFirst(node);
       qualifier = node.getQualifier();
       if (qualifier.getNodeType() != ASTNode.QUALIFIED_TYPE) {
         break;
@@ -1587,7 +1587,9 @@ public boolean visit(QualifiedType node) {
     do {
       builder.breakOp();
       token(".");
-      visit(stack.removeLast());
+      QualifiedType name = stack.removeFirst();
+      visitAnnotations(name.annotations(), BreakOrNot.NO, BreakOrNot.YES);
+      visit(name.getName());
     } while (!stack.isEmpty());
     builder.close();
     return false;

core/src/test/resources/com/google/googlejavaformat/java/testdata/i59.input

@@ -0,0 +1,10 @@
+import org.checkerframework.checker.tainting.qual.*;
+class Outer {
+  class Nested {
+    class InnerMost {
+      @A Outer context(@B Outer.@C Nested.@D InnerMost this) {
+        return Outer.this;
+      }
+    }
+  }
+}

core/src/test/resources/com/google/googlejavaformat/java/testdata/i59.output

@@ -0,0 +1,12 @@
+import org.checkerframework.checker.tainting.qual.*;
+
+class Outer {
+  class Nested {
+    class InnerMost {
+      @A
+      Outer context(@B Outer.@C Nested.@D InnerMost this) {
+        return Outer.this;
+      }
+    }
+  }
+}