Hide *.xcworkspace files
Hide *.xcworkspace files

For hiding xcworkspace files, along with xcodeproj files, both of which
are created by the ninja xcode generator

BUG=NONE
NOTRY=True

Review-Url: https://codereview.webrtc.org/2045733005
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#13075}

TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc