Fixed side fps notification for large text

Test: Manually verified content no longer overflows on various font
sizes (1, 1.1, 1.2, 1.6, 1.9, 2, 3)
Test: adb shell settings put system font_scale (1, 1.1, 1.2, 1.6, 1.9, 2, 3)
Fixes: 315424526

Change-Id: Ia2b3d2d9807dd351f1cf6321fa43a5a0cdee6742