message: fix-next(tabview): set default android text transform
  An issue came out of TabViewItem textTransform has a default value for Android that kick in only if no value (even a null value) is set.
  Note: Will need to change an image in the ui tests.
diff: @@ -98,7 +98,7 @@ export class TabViewItemDirective implements OnInit {
  }
  set textTransform(value: TextTransform) {
  - if (this._textTransform !== value) {
  + if (this._textTransform && this._textTransform !== value) {
  this._textTransform = value;
  this.ensureItem();
  this.item.textTransform = this._textTransform;
  @@ -116,7 +116,13 @@ export class TabViewItemDirective implements OnInit {
  if (this.config) {
  this.item.title = this._title || this.config.title;
  this.item.iconSource = this._iconSource || this.config.iconSource;
  - this.item.textTransform = this._textTransform || this.config.textTransform;
  +
  + // TabViewItem textTransform has a default value for Android that kick in
  + // only if no value (even a null value) is set.
  + const textTransformValue = this._textTransform || this.config.textTransform;
  + if (textTransformValue) {
  + this.item.textTransform = textTransformValue;
  + }
  }
  const viewRef = this.viewContainer.createEmbeddedView(this.templateRef);
  