ios: Record NSException.userInfo value.
ios: Record NSException.userInfo value.

Add another annotation similar to name and reason for the NSException
userInfo string value.

Bug: crashpad:31
Change-Id: Ifeda599d7855c1061e5c0f1fb5fe45d568af65f7
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3238128
Reviewed-by: Mark Mentovai <f1b5a91d4d6ad523f2610114591c007e75d15084@chromium.org>
Commit-Queue: Justin Cohen <45f934f548b3ee92957d72fd2179b802430e9402@chromium.org>

chromium/crashpad,chromium/crashpad,chromium/crashpad