Sanitize intent selector in IntentForwarderActivity

Flag: EXEMPT BUGFIX
Bug: 407763772 403565650
Test: manually tested
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:abdb996163dd2ed47f6486b3428beb133616ca22
Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:52b0758799cdc4f2dc13b998c566e2e7cc39efe5
Merged-In: Ifb705a644a45dbcbc1d888cd866b2da3b039af3f
Change-Id: Ifb705a644a45dbcbc1d888cd866b2da3b039af3f
1 file changed