Allow C++ exceptions on wimax_manager.

wimax_manager uses try/catch to interact with dbus-c++.

BUG=chromium:386443
TEST=emerge-daisy_spring platform2 (with the changes to common.gypi)
CQ-DEPEND=CL:205242

Change-Id: Id57ebce39c5871372d3c0f58a4497c2d61f63693
Reviewed-on: https://chromium-review.googlesource.com/205253
Reviewed-by: Ben Chan <benchan@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Tested-by: Alex Deymo <deymo@chromium.org>
1 file changed