init: create mountpoint for fuse

Change-Id: I8bd80bbcacc8f01ac4df17e013d3d68d2b86e02f
Set permissions on io_is_busy node for interactive governor

Change-Id: I9dce40b0680fdb594f415aade22dbd92ebffa43c
debuggerd: Fix minor memory leak

free_ptrace_context(context) doesn't free(context),
which leaks the memory allocated to context.

Change-Id: Ic199b257aefc9a05ec2d902958efa8a57a601fb1
Signed-off-by: Liangtao Gao <gliangtao@gmail.com>