ANDROID: GKI: Update the .stg defintion due to opaque type change.

In commit 49b830d7 ("ring-buffer: Do not swap cpu_buffer during
resize process"), the internal structure of "struct ring_buffer" had an
additional field added.

The ABI tooling has had this structure "leak" to its list of symbols to
verify, but all apis only use a pointer, not the real structure, which
is controlled by the tracing core.  So this change is safe to make, so
update the abi defintion with the new signature:

type 'struct trace_buffer' changed
  member 'atomic_t resizing' was added

Bug: 161946584
Fixes: 49b830d7 ("ring-buffer: Do not swap cpu_buffer during resize process")
Change-Id: I633c3878d27dae9acd0576659163ca4362a713c9
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>