Roll breakpad DEPS r1219-r1222.

Captures the following commits:

r1220: Fix missing include in ios_exception_minidump_generator.mm.
r1221: Remove unittest from sources list of iOS client xcodeproj.
r1222: Support symbol dumping for ARMV8 iOS apps.

R=qsr

Review URL: https://codereview.chromium.org/26997004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229032 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 229032