Make bug issue template shorter

.github/ISSUE_TEMPLATE/bug.md

@@ -6,52 +6,39 @@ labels: bug, needs triage
 assignees: ''
 ---
 
+We can only process bug reports that are actionable. Unclear bug reports or
+reports with insufficient information may not get attention.
+
 Before filing a bug:
------------------------
+-------------------------
+
 - Search existing issues, including issues that are closed:
   https://github.com/google/ExoPlayer/issues?q=is%3Aissue
-- Consult our developer website, which can be found at https://exoplayer.dev/.
-  It provides detailed information about supported formats and devices.
-- Learn how to create useful log output by using the EventLogger:
-  https://exoplayer.dev/listening-to-player-events.html#using-eventlogger
-- Rule out issues in your own code. A good way to do this is to try and
-  reproduce the issue in the ExoPlayer demo app. Information about the ExoPlayer
-  demo app can be found here:
-  http://exoplayer.dev/demo-application.html.
+- Consult our developer website: https://exoplayer.dev/
+- Check the supported formats: https://exoplayer.dev/supported-formats.html
+- Try playing problematic media in the demo app:
+  http://exoplayer.dev/demo-application.html
 
 When reporting a bug:
------------------------
-Fill out the sections below, leaving the headers but replacing the content. If
-you're unable to provide certain information, please explain why in the relevant
-section. We may close issues if they do not include sufficient information.
-
-### [REQUIRED] Issue description
-Describe the issue in detail, including observed and expected behavior.
+-------------------------
 
-### [REQUIRED] Reproduction steps
 Describe how the issue can be reproduced, ideally using the ExoPlayer demo app
-or a small sample app that you’re able to share as source code on GitHub.
-
-### [REQUIRED] Link to test content
-Provide a JSON snippet for the demo app’s media.exolist.json file, or a link to
-media that reproduces the issue. If you don't wish to post it publicly, please
-submit the issue, then email the link to [email protected] using a subject
-in the format "Issue #1234", where "#1234" should be replaced with your issue
-number. Provide all the metadata we'd need to play the content like drm license
-urls or similar. If the content is accessible only in certain countries or
-regions, please say so.
-
-### [REQUIRED] A full bug report captured from the device
-Capture a full bug report using "adb bugreport". Output from "adb logcat" or a
-log snippet is NOT sufficient. Please attach the captured bug report as a file.
-If you don't wish to post it publicly, please submit the issue, then email the
-bug report to [email protected] using a subject in the format
-"Issue #1234", where "#1234" should be replaced with your issue number.
-
-### [REQUIRED] Version of ExoPlayer being used
-Specify the absolute version number. Avoid using terms such as "latest".
-
-### [REQUIRED] Device(s) and version(s) of Android being used
-Specify the devices and versions of Android on which the issue can be
-reproduced, and how easily it reproduces. If possible, please test on multiple
-devices and Android versions.
+or a small sample app that you’re able to share as source code on GitHub. To
+increase the chance of your issue getting attention, please also include:
+
+- Clear reproduction steps including observed and expected behavior
+- Output of running "adb bugreport" in the console shortly after encountering
+  the issue
+- URI to test content for reproduction
+- For protected content:
+  - DRM scheme and license server URL
+  - Authentication HTTP headers
+
+- ExoPlayer version number
+- Android version
+- Android device
+
+If there's something you don't want to post publicly, please submit the issue,
+then email the link/bug report to [email protected] using a subject in the
+format "Issue #1234", where #1234 is your issue number (we don't reply to
+emails).