[9] RFR: 8072042: (tz) Support tzdata2015a

[Aleksej Efimov]

Hi,

Could I have a review the latest tzdata2015a integration fix to JDK9, 
please. The regression tests run and JPRT testing (jdk_other,jdk_util, 
jdk_text, jdk_time test sets) shows no TZ related JDK9 failures.

Thank you,
Aleksej

Bug link: https://bugs.openjdk.java.net/browse/JDK-8072042
Webrev with changes: http://cr.openjdk.java.net/~aefimov/tzdata/2015a/9/00/
Regression tests executed: test/sun/util/calendar\ 
test/java/util/Calendar\ test/sun/util/resources/TimeZone\ 
test/java/util/TimeZone\ test/java/time\ test/java/util/Formatter