Bug 1828065 - cherry-pick upstream libwebrtc commit adf55790b6. r=webrtc-reviewers,mjf a=RyanVM

Upstream commit: https://webrtc.googlesource.com/src/+/adf55790b6ecf50c4bb2b2cf7d58441303b9d946
    In DeviceInfoDS free the frame duration list after use

    Per the docs, the caller is responsible for freeing the memory.

    Bug: chromium:1441804
    Change-Id: I9aaae493a1a86d8ab4f03930715a643a3c9fb61b
    Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304061


Reviewed-by: Per Kjellander <perkj@webrtc.org>
    Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
    Cr-Commit-Position: refs/heads/main@{#39983}

Differential Revision: https://phabricator.services.mozilla.com/D177237

third_party/libwebrtc/modules/video_capture/windows/device_info_ds.cc

@@ -518,11 +518,18 @@ int32_t DeviceInfoDS::CreateCapabilityMap(const char* deviceUniqueIdUTF8)
         hrVC = videoControlConfig->GetFrameRateList(
             outputCapturePin, tmp, size, &listSize, &frameDurationList);
 
+        if (hrVC == S_OK) {
+          maxFPS = GetMaxOfFrameArray(frameDurationList, listSize);
+        }
+
+        CoTaskMemFree(frameDurationList);
+        frameDurationList = NULL;
+        listSize = 0;
+
         // On some odd cameras, you may get a 0 for duration. Some others may
         // not update the out vars. GetMaxOfFrameArray returns the lowest
         // duration (highest FPS), or 0 if there was no list with elements.
-        if (hrVC == S_OK &&
-            0 != (maxFPS = GetMaxOfFrameArray(frameDurationList, listSize))) {
+        if (0 != maxFPS) {
           capability.maxFPS = static_cast<int>(10000000 / maxFPS);
           capability.supportFrameRateControl = true;
         } else  // use existing method