Increase ABI version after changes to package fragment names

compiler/testData/cli/wrongAbiVersion.out

@@ -1,5 +1,5 @@
 WARNING: $TESTDATA_DIR$/wrongAbiVersion.kt: (3, 9) Parameter 'x' is never used
 ERROR: $TESTDATA_DIR$/wrongAbiVersion.kt: (4, 3) Unresolved reference: bar
-ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/wrong/WrongPackage.class: (0, 0) Class 'wrong.WrongPackage' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 8
-ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/ClassWithWrongAbiVersion.class: (0, 0) Class 'ClassWithWrongAbiVersion' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 8
+ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/wrong/WrongPackage.class: (0, 0) Class 'wrong.WrongPackage' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 9
+ERROR: $TESTDATA_DIR$/wrongAbiVersionLib/ClassWithWrongAbiVersion.class: (0, 0) Class 'ClassWithWrongAbiVersion' was compiled with an incompatible version of Kotlin. Its ABI version is -1, expected ABI version is 9
 COMPILATION_ERROR

core/descriptor.loader.java/src/org/jetbrains/jet/lang/resolve/java/JvmAbi.java

@@ -25,7 +25,7 @@ public final class JvmAbi {
      * This constant is used to identify binary format (class file) versions
      * If you change class file metadata format and/or naming conventions, please increase this number
      */
-    public static final int VERSION = 8;
+    public static final int VERSION = 9;
 
     public static final String TRAIT_IMPL_CLASS_NAME = "$TImpl";
     public static final String TRAIT_IMPL_SUFFIX = "$" + TRAIT_IMPL_CLASS_NAME;