Merge "SafeStack-friendly stack protection in ART." am: 31e61f1d0a
am: 20f74769e6

* commit '20f74769e6e31c66635d711c9c5c4d635bd4c7ad':
  SafeStack-friendly stack protection in ART.

Change-Id: I5764c341788fc002b0ca022936d82bc0e347c779