Add resize app corner multi window + PiP scenario

Fix: 339585304
Test: atest systemui-desktopmode-jank-suite -- --enable-module-dynamic-download --test-arg com.android.tradefed.testtype.AndroidJUnitTest:class:android.platform.test.scenario.sysui.desktopmode.ResizeAppCornerMultiWindowAndPipMicrobenchmark
Flag: NONE new microbenchmark test
Change-Id: If70d8ab51d75d637be9d88e15c4d8abc182e4274