message: TabsItem: correct text style on Android
diff: .Tabs--android .TabsItem {
  height: 48px;
  line-height: 48px;
  - font-size: 16px;
  + font-size: 14px;
  position: relative;
  }
  .Tabs--android.Tabs--header .TabsItem .TabsItem__in {
  opacity: .7;
  + text-transform: uppercase;
  }
  .Tabs--android.Tabs--header .TabsItem--selected .TabsItem__in {
  