Bug 920055 - Honor install-strip and STRIP_FLAGS when packaging tests. r=ted

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extra : rebase_source : 6845c548309113cecdf30d6ca3a885b39b0c0d03
Bug 921440 - Build ASan optimized builds with -gline-tables-only. r=ted

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extra : rebase_source : 748468aacb041aef4769c41deb5e7864645a3a24