[cronet] exclude pyc files from deps of generate_javadoc.py

This is to fix compile noop failure in internal builder.
http://shortn/_t5pHTnebHY

Bug: 914264
Change-Id: I26881dca70d41fdb340df6d9ef85f1d9bd8b6a3b
Reviewed-on: https://chromium-review.googlesource.com/c/1448085
Commit-Queue: Takuto Ikuta <tikuta@chromium.org>
Commit-Queue: Paul Jensen <pauljensen@chromium.org>
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Paul Jensen <pauljensen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#628219}
1 file changed