row_mt_worker_hook: return early if corrupted is 1

In row_mt_worker_hook(), if the first while loop exits because
td->xd.corrupted is 1, it should not go on to the second while loop.
Instead, it should set frame_row_mt_info->row_mt_exit to 1, call
pthread_cond_broadcast(pbi->row_mt_cond_), and return early.

BUG=b/114646745

Change-Id: Ie43484332350b40176cf1ef87d79f61f78f8f3a8

av1/decoder/decodeframe.c

diff --git a/av1/decoder/decodeframe.c b/av1/decoder/decodeframe.c
index 31f14b5..81cd879 100644
--- a/av1/decoder/decodeframe.c
+++ b/av1/decoder/decodeframe.c
@@ -3513,6 +3513,19 @@
     }
   }
 
+  if (td->xd.corrupted) {
+    thread_data->error_info.setjmp = 0;
+#if CONFIG_MULTITHREAD
+    pthread_mutex_lock(pbi->row_mt_mutex_);
+#endif
+    frame_row_mt_info->row_mt_exit = 1;
+#if CONFIG_MULTITHREAD
+    pthread_cond_broadcast(pbi->row_mt_cond_);
+    pthread_mutex_unlock(pbi->row_mt_mutex_);
+#endif
+    return 0;
+  }
+
   set_decode_func_pointers(td, 0x2);
 
   while (1) {