aw: Enable fullscreen tests

The cause of flake is reverted, so enable them to resume test coverage:
https://chromium-review.googlesource.com/c/chromium/src/+/2122818

Tbr: ntfschr@chromium.org
Bug: 1065173
Change-Id: I2b7e13541de564e6bf92831115199329b14355a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2124076Reviewed-by: Nate Fischer <ntfschr@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755057}

android_webview/javatests/src/org/chromium/android_webview/test/AwContentsClientFullScreenTest.java

@@ -182,7 +182,6 @@ public class AwContentsClientFullScreenTest {
     @Test
     @MediumTest
     @Feature({"AndroidWebView"})
-    @DisabledTest(message = "crbug.com/1065092")
     public void testOnShowCustomViewAndPlayWithHtmlControl_video() throws Throwable {
         doTestOnShowCustomViewAndPlayWithHtmlControl(VIDEO_TEST_URL);
     }
@@ -230,7 +229,6 @@ public class AwContentsClientFullScreenTest {
     @Test
     @MediumTest
     @Feature({"AndroidWebView"})
-    @DisabledTest(message = "crbug.com/1065115")
     public void testPowerSaveBlockerIsEnabledDuringFullscreenPlayback_video() throws Throwable {
         doTestPowerSaveBlockerIsEnabledDuringFullscreenPlayback(VIDEO_TEST_URL);
     }