Handle MediaMetadataRetriever.release IOException

MediaMetadataRetriever.release now declares a thrown IOException.

Bug: 200173116
Test: Should be a non-functional change (only relevant when using MediaDataSource).
Change-Id: I6f517299967ce2c1ab63d22e42bb229a0c2be4a9
diff --git a/src/com/android/camera/Thumbnail.java b/src/com/android/camera/Thumbnail.java
index 7775c37..04c57af 100644
--- a/src/com/android/camera/Thumbnail.java
+++ b/src/com/android/camera/Thumbnail.java
@@ -278,7 +278,7 @@
         } finally {
             try {
                 retriever.release();
-            } catch (RuntimeException ex) {
+            } catch (RuntimeException | IOException ex) {
                 // Ignore failures while cleaning up.
             }
         }