Fix PermissionsHostTest#testSerialAccessPolicy

The error message was changed in
Ia8187196af597046fd2e7092dbf19ce1dc1ea457 .

Fixes: 70624598
Test: cts-tradefed run cts-dev -m CtsAppSecurityHostTestCases --test=android.appsecurity.cts.PermissionsHostTest
Change-Id: If8a6031f00580fedbff044cc403f88d236f31b91
1 file changed