[tinker] Update version to 1.9.15.2.

Author: tys282000

build.gradle

@@ -35,7 +35,7 @@ ext {
     javaVersion = JavaVersion.VERSION_1_8
 
     GROUP = 'com.tencent.tinker'
-    VERSION_NAME = '1.9.15.1'
+    VERSION_NAME = '1.9.15.2'
 
     POM_DESCRIPTION = 'Tinker is a hot-fix solution library for Android, it supports dex, library and resources update without reinstalling apk.'
     POM_URL = 'https://github.com/Tencent/tinker'