misc: change the app name to Element Classic

Author: ganfra

vector-app/build.gradle

@@ -247,15 +247,15 @@ android {
         debug {
             applicationIdSuffix ".debug"
             signingConfig signingConfigs.debug
-            resValue "string", "app_name", "Element - dbg"
+            resValue "string", "app_name", "Element Classic - dbg"
 
             if (project.hasProperty("coverage")) {
                 testCoverageEnabled = project.coverage == "true"
             }
         }
 
         release {
-            resValue "string", "app_name", "Element"
+            resValue "string", "app_name", "Element Classic"
             postprocessing {
                 // FIXME Set to true.
                 removeUnusedCode false