Stop family search for the locale with the first matched family.

OEM customization may install font files that may have lower extent
than NotoSansCJK font. The referential extent should be the installed
font instead of maximum of all matched font files.

Bug: 359256386
Test: atest PaintFontMetricsForLocaleTest
Test: minikin_tests
Flag: EXEMPT bugfix
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:59ba1bca7f4d5926142a62aa842e3811ca414774)
Merged-In: Ifc4abf6789bec53664287916a281f705f0dcea90
Change-Id: Ifc4abf6789bec53664287916a281f705f0dcea90
2 files changed