Bumping version to 1.20.3

This contains the new standardised deletion
A potential fix for the most common ANR
Removed the 'screenshot notification' toggle which was misleading
The set of 'nice to have' from the strings branch

app/build.gradle

@@ -13,8 +13,8 @@ configurations.forEach {
     it.exclude module: "commons-logging"
 }
 
-def canonicalVersionCode = 384
-def canonicalVersionName = "1.20.2"
+def canonicalVersionCode = 385
+def canonicalVersionName = "1.20.3"
 
 def postFixSize = 10
 def abiPostFix = ['armeabi-v7a' : 1,