Properly handle onNullBinding() in appwidget service.


Bug: 340239088
Merged-In: I12fccb572e159a73785aa33a4f5204e094ccd1b7
Change-Id: I12fccb572e159a73785aa33a4f5204e094ccd1b7
Test: manually verified with the PoC app
Flag: EXEMPT CVE
2 files changed