Add phis in SimplifyIfs to enable branch redirection am: 10d6870ae4 am: 2cedcc3b6c am: 228c3ac2f9

Original change: https://android-review.googlesource.com/c/platform/art/+/2399027

Change-Id: Ie67aa46a421a3c96251ad808196fe2b5b0b84d5e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>