Reland "Run robolectric tests for Android on several Android API versions"

This is a reland of e598e6bff9528f77dc9f4fb3a5954ec5fb6790b0

The trouble with original CL was caused by improper timeouts. This was
fixed here: https://webrtc-review.googlesource.com/c/src/+/111383

Original change's description:
> Run robolectric tests for Android on several Android API versions
>
> Depends on https://bugs.chromium.org/p/chromium/issues/detail?id=901324
>
> Bug: webrtc:9955
> Change-Id: I5e3f4c05b8258b90728644846f425ee131fda8d4
> Reviewed-on: https://webrtc-review.googlesource.com/c/109160
> Reviewed-by: Artem Titarenko <artit@webrtc.org>
> Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
> Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
> Commit-Queue: Artem Titarenko <artit@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#25582}

Bug: webrtc:9955
Change-Id: Ic8a977daa9efb830544da0026c41da5ed2a056f2
Reviewed-on: https://webrtc-review.googlesource.com/c/111753
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@google.com>
Commit-Queue: Artem Titarenko <artit@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25827}
diff --git a/BUILD.gn b/BUILD.gn
index 249094b..a45bea0 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -643,6 +643,11 @@
         "//base:base_java_test_support",
         "//third_party/google-truth:google_truth_java",
       ]
+
+      additional_jar_files = [ [
+            "sdk/android/tests/resources/robolectric.properties",
+            "robolectric.properties",
+          ] ]
     }
   }
 }