ticket:10793: Make SimplePatternFormatter use MaybeStackArray.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35498 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10793: Add optimization to SimplePatternFormatter for when pattern starts with a placeholder.

git-svn-id: http://source.icu-project.org/repos/icu/icu@35500 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10507: Better API documentation for asymmetric search (C)

git-svn-id: http://source.icu-project.org/repos/icu/icu@35502 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10740: Fix newline setting in ICU4C


git-svn-id: http://source.icu-project.org/repos/icu/icu@35505 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10793: Add C++ Test for SimplePatternFormatterTest.startsWithPlaceholder

git-svn-id: http://source.icu-project.org/repos/icu/icu@35507 251d0590-4201-4cf1-90de-194747b24ca1