Increase versionCode postFixSize from 10 to 100.

app/build.gradle

@@ -64,7 +64,7 @@ protobuf {
 def canonicalVersionCode = 769
 def canonicalVersionName = "5.1.9"
 
-def postFixSize = 10
+def postFixSize = 100
 def abiPostFix = ['universal'   : 0,
                   'armeabi-v7a' : 1,
                   'arm64-v8a'   : 2,