Revert "Enable passthrough on Android for tests"

This reverts commit cba0b68.

Reason for revert: very speculative guess: crbug.com/1197111.

Original change's description:
> Enable passthrough on Android for tests
>
> Bug: 1157073,1253930,1253927
> Change-Id: Id2fc2927f5a45181470b4fe335cb124ccbddbfb9
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3187671
> Reviewed-by: Bo <boliu@chromium.org>
> Commit-Queue: Peng Huang <penghuang@chromium.org>
> Cr-Commit-Position: refs/heads/main@{#925833}

Bug: 1157073,1253930,1253927
Change-Id: I81d9168958f2045e50c3d7e6a7e860df66d70b01
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3194615
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Owners-Override: Egor Pasko <pasko@chromium.org>
Auto-Submit: Egor Pasko <pasko@chromium.org>
Cr-Commit-Position: refs/heads/main@{#926750}

content/browser/renderer_host/compositor_impl_android_browsertest.cc

@@ -184,9 +184,8 @@ class CompositorSwapRunLoop {
   base::RunLoop run_loop_;
 };
 
-// TODO(crbug.com/1253927): fix the test for ANGLE
 IN_PROC_BROWSER_TEST_P(CompositorImplLowEndBrowserTest,
-                       DISABLED_CompositorImplDropsResourcesOnBackground) {
+                       CompositorImplDropsResourcesOnBackground) {
   auto* rwhva = render_widget_host_view_android();
   auto* compositor = compositor_impl();
   auto context = GpuBrowsertestCreateContext(

testing/variations/fieldtrial_testing_config.json

@@ -2641,7 +2641,6 @@
     "DefaultPassthroughCommandDecoder": [
         {
             "platforms": [
-                "android",
                 "linux",
                 "mac"
             ],