Make a11y node info parceling more robust am: 1d8eb490 am: 93c47c9d am:...

Make a11y node info parceling more robust am: 1d8eb490 am: 93c47c9d am: 3a7cf1f0  -s ours am: d3a4f4a3 am: 384e5176 am: e4beeeb4 am: 8e6d10c6 am: ba05c143 am: 88bd259e am: 1552348b am: 2da1b658
am: 92f33c14

Change-Id: I07b4674c7ef04b620815f7c65b5d1d09d1017220