Make a11y node info parceling more robust Fix a bug where a malformed Parceled representation of an AccessibilityNodeInfo could be used to mess with Bundles as they get reparceled. Bug: 36491278 Test: Verified that POC no longer works, a11y cts still passes. Change-Id: I10f24747e3ab87d77cd1deba56db4526e3aa5441 (cherry picked from commit 687bb44b437f7bb24dd3dddf072c2f646308e2ca) (cherry picked from commit d0e54c1c096f4836c7eb4054ff02e5e5563f9577)