docs: fix "buidler" typos in Typeface.Builder am: 8aeade46 am: f36f2de3...

docs: fix "buidler" typos in Typeface.Builder am: 8aeade46 am: f36f2de3 am: 88dce482 am: 7e20c36a am: 7a30eae6

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

Change-Id: Iece05fb4b30c057728cee465cb0cb788a9220304