tree 80b775292374b410ab4a324a0c44cb05f005f52f
parent e4fbf4236fa1606accc24918aa95abc4fb3b4b8e
author Klaus Aehlig <aehlig@google.com> 1488299456 +0000
committer Yue Gan <yueg@google.com> 1488301393 +0000

Add an event reporting about downloading progress 

The ProgressInputStream provides unstructured information about progress
of downloading files in the form of Progress events. Add a new event
type, to be posted over the event bus, providing structured information
about the download progress.

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Change-Id: Idbbaa4325ade356e65ef7ef1a40e66730216b6fe
Reviewed-on: https://cr.bazel.build/9113
PiperOrigin-RevId: 148772585
MOS_MIGRATED_REVID=148772585