`dlsym` on Android KitKat (4.4.*) raises SIGFPE when searching for
non-existent symbols. This wrapper installs a signal handler prior to
calling `dlsym`.
Bug: crashpad:30
Change-Id: Iee94672d3c11b1fad1b01526eea7df688c0356cb
Reviewed-on: https://chromium-review.googlesource.com/835411
Commit-Queue: Joshua Peraza <jperaza@chromium.org>
Reviewed-by: Mark Mentovai <mark@chromium.org>