Use new minikin::Font constructor

Bug: 37567215
Test: minikin_tests
Test: hwui_unit_tests
Test: atest CtsTextTestCases \
      CtsWidgetTestCases:EditTextTest \
      CtsWidgetTestCases:TextViewFadingEdgeTest \
      FrameworksCoreTests:TextViewFallbackLineSpacingTest \
      FrameworksCoreTests:TextViewTest FrameworksCoreTests:TypefaceTest \
      CtsGraphicsTestCases:TypefaceTest CtsWidgetTestCases:TextViewTest
Test: bit  FrameworksCoreTests:android.text.

Change-Id: I4d7af881ed1a6cceb79e827d88e050789da46d01