[RESTRICT AUTOMERGE] Do not send new Intent to non-exported activity when navigateUpTo The new Intent was delivered to a non-exported activity while #navigateUpTo was called from an Activity of a different uid. Bug: 238605611 Test: atest StartActivityTests Change-Id: I854dd825bfd9a2c08851980d480d1f3a177af6cf Merged-In: I854dd825bfd9a2c08851980d480d1f3a177af6cf (cherry picked from commit 834812c423f10deb95953d41a7007d4cba78f1ec) Merged-In: I854dd825bfd9a2c08851980d480d1f3a177af6cf