Catches all exceptions when firing an intent to launch a file

If a download is on external sdcard, FileProvider won't be able to
generate a content URI for the file. On some devices this will raise
an exception. This CL just catches all exception in case that happens.

BUG=893053

Change-Id: I3fdc35a049226970f0027dc7598a274135d9c0db
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1562252Reviewed-by: David Trainor <dtrainor@chromium.org>
Commit-Queue: Min Qin <qinmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#649716}

chrome/android/java/src/org/chromium/chrome/browser/download/DownloadUtils.java

@@ -726,6 +726,8 @@ public class DownloadUtils {
                     + intent.getData().getScheme(), ex);
         } catch (SecurityException ex) {
             Log.d(TAG, "cannot open intent: " + intent, ex);
+        } catch (Exception ex) {
+            Log.d(TAG, "cannot open intent: " + intent, ex);
         }
 
         return false;