Append newline to EOF for .txt test data files

Reverts and fixes 102f0d3

compiler/testData/loadJava/kotlinAgainstCompiledJavaWithKotlin/InheritJavaField.txt

@@ -12,4 +12,4 @@ public open class Super {
     public final var field: kotlin.Int
     private final var privateField: kotlin.Int
     public open fun method(): kotlin.Int
-}
+}

compiler/testData/loadJava/kotlinAgainstCompiledJavaWithKotlin/InheritParameterName.txt

@@ -18,4 +18,4 @@ internal abstract class ZAB : test.A, test.B {
 internal abstract class ZBA : test.B, test.A {
     public constructor ZBA()
     public abstract override /*2*/ /*fake_override*/ fun foo(/*0*/ kotlinName: kotlin.Int): kotlin.Unit
-}
+}

compiler/testData/loadJava/kotlinAgainstCompiledJavaWithKotlin/javaRefersToKotlin.txt

@@ -11,4 +11,4 @@ internal trait K {
 
 internal trait K1 : test.J {
     public abstract override /*1*/ fun foo(/*0*/ k: test.K?): kotlin.Unit
-}
+}

compiler/testData/loadJava/kotlinAgainstCompiledJavaWithKotlin/propagationAgainstDeserializedSuperclass.txt

@@ -12,4 +12,4 @@ internal trait K {
 internal final class K1 : test.J {
     public constructor K1()
     public open override /*1*/ fun foo(/*0*/ l: kotlin.MutableList<kotlin.String>): kotlin.String
-}
+}