Let Home activity restart during first few crashes

After we get to the rate-limit, we wind up on the

  "Home App keeps stopping
   App info
   Close app"

screen like we're supposed to.

Bug: 148087283
Test: adb shell kill -11 `adb shell pidof {launcher}`
Change-Id: I85874c2e4ad7098f87f1dbe6d0430b244852478b