build 报错如下：
FAILURE: Build failed with an exception.
* What went wrong:
Could not resolve all files for configuration ':commonlibrary:debugCompileClasspath'.
> Could not resolve com.umeng.umsdk:analytics:8.0.2.
Required by:
project :commonlibrary
> Could not resolve com.umeng.umsdk:analytics:8.0.2.
> Could not get resource 'http://repo1.maven.org/maven2/com/umeng/umsdk/analytics/8.0.2/analytics-8.0.2.pom'.
> Could not HEAD 'http://repo1.maven.org/maven2/com/umeng/umsdk/analytics/8.0.2/analytics-8.0.2.pom'. Received status code 501 from server: HTTPS Required
解决方法：把系统build.gradle文件内连接全部改为 https （就算只改友盟自己的也会报错） 如下图：
