Update chrome-data/data sizes expectation.

linux-release-64/sizes/chrome-data/data: https://chromeperf.appspot.com/report?masters=Chromium&bots=chromium-rel-linux&tests=sizes%2Fchrome-data&checked=all&rev=295451

BUG=415523
TBR=bokan@chromium.org

Review URL: https://codereview.chromium.org/578243005

Cr-Commit-Position: refs/heads/master@{#295557}

tools/perf_expectations/perf_expectations.json

 {"linux-release-64/sizes/chrome-bss/bss": {"reva": 260243, "revb": 260470, "type": "absolute", "better": "lower", "improve": 438939, "regress": 485548, "sha1": "b7ff728d"},
- "linux-release-64/sizes/chrome-data/data": {"reva": 282247, "revb": 282247, "type": "absolute", "better": "lower", "improve": 4126925, "regress": 4561339, "sha1": "32605807"},
+ "linux-release-64/sizes/chrome-data/data": {"reva": 295451, "revb": 295513, "type": "absolute", "better": "lower", "improve": 4337320, "regress": 4794006, "sha1": "04b10278"},
  "linux-release-64/sizes/chrome-si/initializers": {"reva": 281711, "revb": 281711, "type": "absolute", "better": "lower", "improve": 7, "regress": 7, "tolerance": 0, "sha1": "b11fc43a"},
  "linux-release-64/sizes/chrome-text/text": {"reva": 282247, "revb": 282247, "type": "absolute", "better": "lower", "improve": 90100885, "regress": 99585189, "sha1": "37088697"},
  "linux-release-64/sizes/chrome/chrome": {"reva": 295451, "revb": 295484, "type": "absolute", "better": "lower", "improve": 134684000, "regress": 148870193, "sha1": "6144f224"},