Make some tests independent of default Locale

These tests were sensitive to the default Locale:
org.apache.harmony.tests.java.util.FormatterTest.test_DaylightTime
org.apache.harmony.tests.java.util.GregorianCalendarTest#test_rollIZ

The test now sets the Locale explicitly where it is important.

Bug: 20130892
Change-Id: I1682bc90018bab184010003a35bcac6a36ae30c5
2 files changed