docs: fix "buidler" typos in Typeface.Builder am: 8aeade4629 am: f36f2de31a am: 88dce482e3 am: 7e20c36a51 am: 7a30eae665

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/9975934

Change-Id: Iece05fb4b30c057728cee465cb0cb788a9220304