Don't allow SdkSandbox to bypass systemUid check.

Test: atest

Flag: EXEMPT security fix

Bug: 397438392
Change-Id: I1003ac2a795c869aaeb292692b2681c7a5c8d12e
(cherry picked from commit d400709160c8374d83a15dc7623b11434c08c4c6)
1 file changed