Append newline to EOF for .txt test data files

Reverts and fixes 102f0d3

compiler/testData/loadJava/compiledJava/protectedPackage/ProtectedPackageConstructor.txt

@@ -6,4 +6,4 @@ public open class ProtectedPackageConstructor {
     protected/*protected static*/ open class Foo {
         protected/*protected and package*/ constructor Foo()
     }
-}
+}

compiler/testData/loadJava/compiledJava/protectedPackage/ProtectedPackageFun.txt

@@ -3,4 +3,4 @@ package test
 public open class ProtectedPackageFun {
     public constructor ProtectedPackageFun()
     protected/*protected and package*/ open fun foo(): kotlin.Unit
-}
+}

compiler/testData/loadJava/compiledJava/protectedPackage/ProtectedPackageProperty.txt

@@ -3,4 +3,4 @@ package test
 public open class ProtectedPackageProperty {
     public constructor ProtectedPackageProperty()
     protected/*protected and package*/ final var foo: kotlin.Int
-}
+}