JS now allows string literals as export names, which the current regexp
used to discover module files to push to Android for running tests does
not account for.

Bug: v8:10964
Bug: v8:11049
Change-Id: I6f26f44a98f1d2c91ad69b171faa3f201f8f1e7a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2492055
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70739}