[rvc-dev] explicitly set android:exported to false

Test: atest PackageManagerShellCommandIncrementalTest
BUG: 156898751
Merged-In: Ic65980466f9ff9b66556e5893e5d11f10d4779a4
Change-Id: I703838d5329d917e0861db14fe7fad83847c47bc
1 file changed