Reland "Compile frame analyzer for the host machine on perf tests."

This is a reland of d8ff3f29ce92e27529e100ecf71afbae6334419f.

See https://webrtc-review.googlesource.com/c/src/+/100681/1..4 for
the fix. Error "Failed to open video file for emulated camera" should
be addressed by that change.

Original change's description:
> Compile frame analyzer for the host machine on perf tests.
>
> Bug: webrtc:9665
> Change-Id: I05c01ee4bef0995556b1a679498b3d9132de7c26
> Reviewed-on: https://webrtc-review.googlesource.com/100360
> Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
> Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#24756}

TBR=phoglund@webrtc.org, oprypin@webrtc.org

Bug: webrtc:9665
Change-Id: If6a4f2259dabf50718abf47c9cf303d143a1895a
Reviewed-on: https://webrtc-review.googlesource.com/100681
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24762}
diff --git a/examples/androidtests/video_quality_loopback_test.py b/examples/androidtests/video_quality_loopback_test.py
index 225f885..a74acf1 100755
--- a/examples/androidtests/video_quality_loopback_test.py
+++ b/examples/androidtests/video_quality_loopback_test.py
@@ -81,8 +81,6 @@
   parser = argparse.ArgumentParser(description='Start loopback video analysis.')
   parser.add_argument('build_dir_android',
       help='The path to the build directory for Android.')
-  parser.add_argument('--build_dir_x86',
-      help='The path to the build directory for building locally.')
   parser.add_argument('--temp_dir',
       help='A temporary directory to put the output.')
   parser.add_argument('--adb-path', help='Path to adb binary.', default='adb')
@@ -192,7 +190,7 @@
 
   # Run comparison script.
   compare_script = os.path.join(SRC_DIR, 'rtc_tools', 'compare_videos.py')
-  frame_analyzer = os.path.join(TOOLCHAIN_DIR, 'frame_analyzer')
+  frame_analyzer = os.path.join(build_dir, 'frame_analyzer_host')
   zxing_path = os.path.join(TOOLCHAIN_DIR, 'zxing')
   stats_file_ref = os.path.join(temp_dir, 'stats_ref.txt')
   stats_file_test = os.path.join(temp_dir, 'stats_test.txt')
@@ -241,4 +239,3 @@
 
 if __name__ == '__main__':
   sys.exit(main())
-