Revert "Revert "hammerhead: Disable subsystem ramdump collection"" [DO NOT MERGE]

This reverts commit 98154d5b1eeddbb8d72d88876b867a921cec6b36.

Disable subsystem ramdump.

Bug: 12486394 

Change-Id: Ia6c3af2260616c6dcf5c8fe2d2d969e7dab1101f
1 file changed