AdaptiveIconDrawable should handle all usage cases of setBounds

Test: runtest --path=frameworks/base/core/tests/coretests/src/android/graphics/drawable/AdaptiveIconDrawableTest.java

b/35950873
b/35673169
b/34902453

adb  shell am instrument -e class 'android.graphics.drawable.AdaptiveIconDrawableTest' -w 'com.android.frameworks.coretests/android.support.test.runner.AndroidJUnitRunner'
android.graphics.drawable.AdaptiveIconDrawableTest:..

Time: 1.241

OK (2 tests)


Change-Id: I6498f6acc782a30188fc2afc50781cef83e4747b