Run render tests for Grid tab switcher on P as well

Bug: 1064009
Change-Id: I6be262615deaeb9b237345540888ec57ac0fdcca
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2114401Reviewed-by: Yue Zhang <yuezhanggg@chromium.org>
Commit-Queue: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#752568}

chrome/test/data/android/render_tests/StartSurfaceLayoutTest.10_web_tabs-select_last.Pixel_2-28.png.sha1

+fa98aefcb8086f224786715eda9f13acd1340561
\ No newline at end of file

chrome/test/data/android/render_tests/StartSurfaceLayoutTest.10_web_tabs.Pixel_2-28.png.sha1

+57edc2c0238df085a1c07eeb3f777a3696d829ff
\ No newline at end of file

chrome/test/data/android/render_tests/StartSurfaceLayoutTest.3_incognito_ntps.Pixel_2-28.png.sha1

+d0005b01db02cd457c8356c4204a3a51379ce62b
\ No newline at end of file

chrome/test/data/android/render_tests/StartSurfaceLayoutTest.3_incognito_web_tabs.Pixel_2-28.png.sha1

+35c87059bad2d390adf4f7978b8da96acc13a1ed
\ No newline at end of file

chrome/test/data/android/render_tests/StartSurfaceLayoutTest.3_web_tabs.Pixel_2-28.png.sha1

+5737404db83a4a8c182f4219e78f6752220f7134
\ No newline at end of file