g3: use xxhdpi dalvik heap settings

Change-Id: I41eb17a38c6b0acbfd6ab1a0bcfe2a3a17dd736f
g3: add d852 to build barriers

Change-Id: I75cd171c7cde9384355b43f3191584918c41f85d
Merge pull request #1 from invisiblek/cm-11.0

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