clean后，重新生成混淆包无dex文件

Author: qinhehu

matrix/matrix-android/gradle.properties

@@ -15,7 +15,7 @@ org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryErro
 #Tue Jun 20 10:24:33 CST 2017
 
 
-VERSION_NAME_PREFIX=0.9.0
+VERSION_NAME_PREFIX=0.9.1
 VERSION_NAME_SUFFIX=
 ## two options: Internal (for wechat),  External (for public repo)
 PUBLISH_CHANNEL=Internal

matrix/matrix-android/matrix-gradle-plugin/src/main/kotlin/com/tencent/matrix/plugin/task/MatrixTraceTask.kt

@@ -65,7 +65,6 @@ abstract class MatrixTraceTask : DefaultTask() {
     @get:Input
     abstract val traceClassOutputDirectory: Property<String>
 
-    @get:OutputFiles
     abstract val classOutputs: ConfigurableFileCollection
 
     @get:OutputFile