ActivityManagerService: Allow openContentUri from vendor/system/product.

Apps should not have direct access to this entry point. Check that the
caller is a vendor, system, or product package.

Test: Ran PoC app and CtsMediaPlayerTestCases.
Bug: 236688380
Change-Id: I0335496d28fa5fc3bfe1fecd4be90040b0b3687f
Merged-In: I0335496d28fa5fc3bfe1fecd4be90040b0b3687f
(cherry picked from commit d0ba7467c2cb2815f94f6651cbb1c2f405e8e9c7)
1 file changed