linux64: Lower static initializer expectations after r271415.

BUG=94925
TBR=erg@chromium.org

Review URL: https://codereview.chromium.org/292763003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@271428 0039d316-1c4b-4281-b951-d872f2087c98

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": 271000, "revb": 271050, "type": "absolute", "better": "lower", "improve": 4194151, "regress": 4635910, "sha1": "41a1531d"},
- "linux-release-64/sizes/chrome-si/initializers": {"reva": 271321, "revb": 271321, "type": "absolute", "better": "lower", "improve": 9, "regress": 9, "tolerance": 0, "sha1": "a192a530"},
+ "linux-release-64/sizes/chrome-si/initializers": {"reva": 271416, "revb": 271416, "type": "absolute", "better": "lower", "improve": 8, "regress": 8, "tolerance": 0, "sha1": "59a80c46"},
  "linux-release-64/sizes/chrome-text/text": {"reva": 255987, "revb": 256040, "type": "absolute", "better": "lower", "improve": 92006743, "regress": 101693710, "sha1": "fc008772"},
  "linux-release-64/sizes/chrome/chrome": {"reva": 271000, "revb": 271050, "type": "absolute", "better": "lower", "improve": 137551062, "regress": 152050601, "sha1": "e6fd5d2a"},
  "linux-release-64/sizes/nacl_helper-bss/bss": {"reva": 252556, "revb": 252565, "type": "absolute", "better": "lower", "improve": 235584, "regress": 260384, "sha1": "7ef9d45c"},