Add confusability mapping entries for Myanmar and Georgian

U+10D5 (ვ), U+1012 (ဒ) => 3

Bug: 847242, 849398
Test: components_unittests --gtest_filter=*IDN*
Change-Id: I9abb8560cf1c9e8e5e8d89980780b89461f7be52
Reviewed-on: https://chromium-review.googlesource.com/1091430
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Mustafa Emre Acer <meacer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565709}