Bug 1902975 - Adjust reftest result for 621918-2.svg on Android real device. r=TYLin

Even if this test is passed on emulator, we have to adjust test result for
real device after ICU4X 1.5.

Real device uses another Android version and device pixel ratio is different.

Differential Revision: https://phabricator.services.mozilla.com/D214006

layout/reftests/bugs/reftest.list

@@ -1586,7 +1586,7 @@ fails-if(useDrawSnapshot) fuzzy-if(geckoview&&!emulator&&gfxSVGFEColorMatrix,0-4
 fails-if(useDrawSnapshot) fuzzy-if(geckoview&&!emulator&&gfxSVGFEColorMatrix,0-4,0-32) == 621253-2-externalFilter.html 621253-2-ref.html
 fails-if(useDrawSnapshot) fuzzy-if(geckoview&&!emulator&&gfxSVGFEColorMatrix,0-4,0-32) == 621253-2-internalFilter.html 621253-2-ref.html
 random-if(winWidget) == 621918-1.svg 621918-1-ref.svg # 1-pixel diacritic positioning discrepancy in rotated text (may depend on platform fonts)
-random-if(winWidget) fuzzy-if(geckoview&&!emulator,0-255,0-23) == 621918-2.svg 621918-2-ref.svg # same 1px issue as above
+random-if(winWidget) fuzzy-if(geckoview&&!emulator,0-255,0-32) == 621918-2.svg 621918-2-ref.svg # same 1px issue as above
 fuzzy-if(winWidget,0-5,0-1) == 622585-1.html 622585-1-ref.html # bug 789402
 fuzzy(0-1,0-40000) == 625409-1.html 625409-1-ref.html
 == 627393-1.html about:blank