Bump version to 5.27.8

app/build.gradle

@@ -60,8 +60,8 @@ protobuf {
     }
 }
 
-def canonicalVersionCode = 966
-def canonicalVersionName = "5.27.7"
+def canonicalVersionCode = 967
+def canonicalVersionName = "5.27.8"
 
 def postFixSize = 100
 def abiPostFix = ['universal'   : 0,