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This CL also disables Tab to GTS animation for single start surface,
since it looks bad and does not work for single tab tab switcher.

Screen records:
https://drive.google.com/a/google.com/file/d/1iqIPfeI3GFyfNtz4rHijhlpH4TTbQE_j/view?usp=sharing

TODO: remove 'group tabs' from the menu when showing single tab view.

Binary-Size: Size increase is expected.
Bug: 1065902
Change-Id: I244275e809fefbe4e9106f852fe383201ac1e123
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2125455
Commit-Queue: Ganggui Tang <gogerald@chromium.org>
Reviewed-by: Yusuf Ozuysal <yusufo@chromium.org>
Reviewed-by: Yue Zhang <yuezhanggg@chromium.org>
Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755910}