CHROMIUM: Fix import processing.

Fix the code that checks whether variable matches an import
declaration. The current code would incorrectly import *all* variables
for jobs that have at least one import declaration.

BUG=chromium:889724
TEST=Image boots and passes tests.
CQ-DEPEND=CL:1247745

Reviewed-on: https://chromium-review.googlesource.com/1247642
Change-Id: I9f2883edc55aa8b6c4ff68a4fb82b0b1a8aca080
1 file changed