Update timezone db and add minimal locale data for ast,an, and wa.

README.chromium

 Name: icu
 URL: http://site.icu-project.org/
 Version: 56.1
 License: MIT
 Security Critical: yes
 
 ***NOTE***
 ICU is in the middle of being updated to 56.1 and does not work, yet.
 If you have an urgent fix to apply, contact jshin@chromium.org to
 create a branch for 54.1 to apply a fix on top of.
@@ skipping 170 matching lines @@
 
 3. source/data/brkitr
   - khmerdict.txt: Abridged Khmer dictionary. See
     http://bugs.icu-project.org/trac/ticket/9451
   - word_ja.txt (used only on Android)
     Added for Japanese-specific word-breaking without the C+J dictionary.
 
 4. source/data/trnslit/css3transform.txt
   - Handle Greek case conversion with a transliterator
 
-5. Add tg.txt, ckb.txt, and ku.txt to source/data/{locale,lang}
+5. Add {an,ast,ckb,ku,tg,wa}.txt to source/data/{locale,lang}
    with the minimal locale data necessary for spellchecker and
    and language menus. Also change the English display name
    for ckb to 'Kurdish (Arabic)'.
 
 D. Local Modifications
 
 1. Applied locale data patches from Google obtained by diff'ing
    the upstream copy and Google's internal copy for source/data
 
   - patches/locale_google.patch:
@@ skipping 91 matching lines @@
 9. Fix a UText bug found in uregex_open fuzzer.
   - patches/utext.patch
   - upstream bug (fixed in trunk in Jan, 2016. Will be in 57 release)
     http://bugs.icu-project.org/trac/ticket/12130
 
 10. Fix a bug in regex compiler.
   - patches/regexcmp.patch
   - upstream bug
     http://bugs.icu-project.org/trac/ticket/12138