Support fraction type for inset* for InsetDrawable.
b/36024318
Test: manually tested on default icons.
Test: $ runtest --path=cts/tests/tests/graphics/src/android/graphics/drawable/cts/InsetDrawableTest.java
adb shell am instrument -e class 'android.graphics.drawable.cts.InsetDrawableTest' -w 'android.graphics.cts/android.support.test.runner.AndroidJUnitRunner'
android.graphics.drawable.cts.InsetDrawableTest:........................
Time: 0.132
OK (26 tests)
Change-Id: Ie8d24680b6884e65017f07723a371120f5ae610c
6 files changed