folly: symbolizer: dwarf: don't fallback to linear scan if address missing from ...

folly: symbolizer: dwarf: don't fallback to linear scan if address missing from .debug_aranges

Summary:Presence of .debug_aranges implies user expects fast address lookup.
Some addresses might not be avaialble in .debug_aranges.

Don't do slow lookup in .debug_info, as it can lead to unexpected slowdowns.

override-unit-failures

Reviewed By: philippv

Differential Revision: D2965323

fb-gh-sync-id: 405daefd57cdff4344fd231c5f5b7ff4dcd9df8c
shipit-source-id: 405daefd57cdff4344fd231c5f5b7ff4dcd9df8c