drivers: android: Fix a variable declaration coding style issue

Add a blank line after variable declarations as suggested by checkpatch.
Signed-off-by: NMrinal Pandey <mrinalmni@gmail.com>
Link: https://lore.kernel.org/r/20200724131254.qxbvderrws36dzzq@mrinalpandeySigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/android/binder_alloc.c

@@ -547,6 +547,7 @@ static void binder_delete_free_buffer(struct binder_alloc *alloc,
 {
 	struct binder_buffer *prev, *next = NULL;
 	bool to_free = true;
+
 	BUG_ON(alloc->buffers.next == &buffer->entry);
 	prev = binder_buffer_prev(buffer);
 	BUG_ON(!prev->free);