安卓百度地图SDK4.5.2升级到6.2.0之后，打正式包后异常

Didn't find class "mapsdkvi.com.gdi.bgl.android.java.EnvDrawText" on path: DexPathList

在proguard-rules.pro里面新增规则：

# baidu

-dontwarn com.baidu.**

-keep class com.baidu.**{*; }

-keep class mapsdkvi.com.gdi.bgl.** {*;}

-keep class vi.com.** {*;}