chore: Update version to 1.9.0

Author: iamareebjamal

app/build.gradle

@@ -32,8 +32,8 @@ android {
         applicationId "org.fossasia.phimpme"
         minSdkVersion 21
         targetSdkVersion 28
-        versionCode 11
-        versionName '1.8.0'
+        versionCode 12
+        versionName '1.9.0'
         multiDexEnabled true
         testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
         vectorDrawables.useSupportLibrary = true