Use backticks not vertical bars to denote variables in comments for /sdk

Bug: webrtc:12338
Change-Id: Ifaad29ccb63b0f2f3aeefb77dae061ebc7f87e6c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/227024
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34561}
diff --git a/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java b/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java
index de2b919..0c3188f 100644
--- a/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java
+++ b/sdk/android/api/org/webrtc/CameraEnumerationAndroid.java
@@ -152,24 +152,24 @@
     }
   }
 
-  // Prefer a fps range with an upper bound close to |framerate|. Also prefer a fps range with a low
+  // Prefer a fps range with an upper bound close to `framerate`. Also prefer a fps range with a low
   // lower bound, to allow the framerate to fluctuate based on lightning conditions.
   public static CaptureFormat.FramerateRange getClosestSupportedFramerateRange(
       List<CaptureFormat.FramerateRange> supportedFramerates, final int requestedFps) {
     return Collections.min(
         supportedFramerates, new ClosestComparator<CaptureFormat.FramerateRange>() {
-          // Progressive penalty if the upper bound is further away than |MAX_FPS_DIFF_THRESHOLD|
+          // Progressive penalty if the upper bound is further away than `MAX_FPS_DIFF_THRESHOLD`
           // from requested.
           private static final int MAX_FPS_DIFF_THRESHOLD = 5000;
           private static final int MAX_FPS_LOW_DIFF_WEIGHT = 1;
           private static final int MAX_FPS_HIGH_DIFF_WEIGHT = 3;
 
-          // Progressive penalty if the lower bound is bigger than |MIN_FPS_THRESHOLD|.
+          // Progressive penalty if the lower bound is bigger than `MIN_FPS_THRESHOLD`.
           private static final int MIN_FPS_THRESHOLD = 8000;
           private static final int MIN_FPS_LOW_VALUE_WEIGHT = 1;
           private static final int MIN_FPS_HIGH_VALUE_WEIGHT = 4;
 
-          // Use one weight for small |value| less than |threshold|, and another weight above.
+          // Use one weight for small `value` less than `threshold`, and another weight above.
           private int progressivePenalty(int value, int threshold, int lowWeight, int highWeight) {
             return (value < threshold) ? value * lowWeight
                                        : threshold * lowWeight + (value - threshold) * highWeight;