zswap: Add file to enable swap

Add script file that creates swap device from zram virtual block
device and turns on swap.

Change-Id: I991be6d53bb73cb7213550526717a50191fa103c
Change system permission while making /storage directory

System permission is changed to execute-only permission so that system process
or any other process running with sharedUserId as android.uid.system
can list the files present in /storage/sdcard0.

CRs-Fixed: 523333
Change-Id: I0c889451abcbe7066dc95ff5d9b0c624aaf33c93
Merge "Change system permission while making /storage directory"
Telephony: Add config item for regular deactivation

- Default AOSP implementation is to restart the radio for PDP
error cause = 36-Regular deactivation.
- Add xml based option to disable this implementation and treat
error=36 as temp failure.

Change-Id: I72dfb00216967b8f55869b0c6658ef3c2a462974
CRs-Fixed: 568799
Merge 3288c745604bd8c88f9cb815b6caeedd6052c3c7 on remote branch

Change-Id: I69dca39cb18d5d470eaeaa5cc0297101707ecaee
Merge "Merge 3288c745604bd8c88f9cb815b6caeedd6052c3c7 on remote branch"
Merge "zswap: Add file to enable swap"
Merge "Telephony: Add config item for regular deactivation"
Merge a5d7f6f35b870818aae6775f35469e886a390942 on remote branch

Change-Id: I0252e793db6f88b5c200612e6eec29e011148c07
Merge "Merge a5d7f6f35b870818aae6775f35469e886a390942 on remote branch"
Merge 79e3a93a4d806c39bf4c8a14671837033fca24b6 on remote branch

Change-Id: I571a18363361824aa1e67570a5cff8ed946b1745
Merge "Merge 79e3a93a4d806c39bf4c8a14671837033fca24b6 on remote branch"