Close out old bug about blank lines inside expressions

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=106541927

Author: cushon

core/src/test/resources/com/google/googlejavaformat/java/testdata/B22424362.input

@@ -0,0 +1,8 @@
+class Test {
+  {
+    int x =
+      1
+
+      + 2;
+  }
+}

core/src/test/resources/com/google/googlejavaformat/java/testdata/B22424362.output

@@ -0,0 +1,5 @@
+class Test {
+  {
+    int x = 1 + 2;
+  }
+}