Initialize shadowRadius state

The uninitialized var was causing the device to incorrectly going into glcomp.

Fixes: b/144450732
Test: adb shell am instrument -w -e class android.platform.test.scenario.launcher.FlingAllAppsMicrobenchmark android.platform.test.scenario/androidx.test.runner.AndroidJUnitRunner and capture a systrace
Change-Id: Ia33a4c8908990cd12fbd5a5ce1664ed96c112832
2 files changed