Use Build.VERSION.RELEASE_OR_PREVIEW_DISPLAY for user visible versions

Use Build.VERSION.RELEASE_OR_PREVIEW_DISPLAY which will show a user
friendly version name for preview releases, and the release version
for final releases.

Bug: 221950960
Test: manual
Change-Id: I3a7e6a3c996d52614b89888afd35da8cff458b43

src/com/android/settings/system/SystemUpdatePreferenceController.java

@@ -89,7 +89,7 @@ public class SystemUpdatePreferenceController extends BasePreferenceController {
     @Override
     public CharSequence getSummary() {
         CharSequence summary = mContext.getString(R.string.android_version_summary,
-                Build.VERSION.RELEASE_OR_CODENAME);
+                Build.VERSION.RELEASE_OR_PREVIEW_DISPLAY);
         final FutureTask<Bundle> bundleFutureTask = new FutureTask<>(
                 // Put the API call in a future to avoid StrictMode violation.
                 () -> mUpdateManager.retrieveSystemUpdateInfo());