Preprocessor: do not use legacy package facade name in build.xml.

build.xml

@@ -755,7 +755,7 @@
                 </assertions>
                 <arg value="-cp"/>
                 <arg value="${kotlin-home}/lib/kotlin-compiler.jar"/>
-                <arg value="org.jetbrains.kotlin.preprocessor.PreprocessorPackage"/>
+                <arg value="org.jetbrains.kotlin.preprocessor.PreprocessorCLI"/>
                 <arg value="@{src}"/>
                 <arg value="@{output}"/>
                 <arg value="@{profile}"/>

compiler/conditional-preprocessor/src/org.jetbrains.kotlin.preprocessor/PreprocessorCLI.kt

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+@file:JvmName("PreprocessorCLI")
 package org.jetbrains.kotlin.preprocessor
 
 import java.io.File