Revert "Revert "enabled Qualcomm Crypto Accelerator""

This reverts commit 5b010fd48bb2edfc15f253c2ae63d8ffa6b3e168.
Revert "Revert "lowmemorykiller: make default lowmemorykiller debug message useful""

This reverts commit e1ad510a68aacddf334543232b35efd6d3e98ab9.
Merge branch 'kk' into kk-cm