Revert "🤠 Disabling flaky MediaCanPlayTypeTest for Android"

This reverts commit 183d178c.

Reason for revert: Test aren't flaky anymore on trunk. They are flaky
only on the m-84 branch.

Original change's description:
> 🤠 Disabling flaky MediaCanPlayTypeTest for Android
> 
> MediaCanPlayTypeTest.CodecSupportTest_HLS
> MediaCanPlayTypeTest.CodecSupportTest_mp3
> MediaCanPlayTypeTest.CodecSupportTest_mp4
> 
> TBR=dalecurtis
> 
> Bug: 1090770
> Change-Id: I484d9840b343386f696d563aab3182219a69822f
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2310536
> Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
> Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#790767}

TBR=dalecurtis@chromium.org,arthursonzogni@chromium.org

Change-Id: Ic7f132acd8d636875f935a874d03d1f36c7de1ed
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 1090770
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2315677Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Commit-Queue: Arthur Sonzogni <arthursonzogni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791171}

content/browser/media/media_canplaytype_browsertest.cc

@@ -73,23 +73,11 @@ IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_flac) {
   ExecuteTest("testFlacVariants()");
 }
 
-// Flaky on Marshmallow. https://crbug.com/1090770
-#if defined(OS_ANDROID)
-#define MAYBE_CodecSupportTest_mp3 DISABLED_CodecSupportTest_mp3
-#else
-#define MAYBE_CodecSupportTest_mp3 CodecSupportTest_mp3
-#endif
-IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, MAYBE_CodecSupportTest_mp3) {
+IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_mp3) {
   ExecuteTest("testMp3Variants()");
 }
 
-// Flaky on Marshmallow. https://crbug.com/1090770
-#if defined(OS_ANDROID)
-#define MAYBE_CodecSupportTest_mp4 DISABLED_CodecSupportTest_mp4
-#else
-#define MAYBE_CodecSupportTest_mp4 CodecSupportTest_mp4
-#endif
-IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, MAYBE_CodecSupportTest_mp4) {
+IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_mp4) {
 #if BUILDFLAG(USE_PROPRIETARY_CODECS)
   ExecuteTest("testMp4Variants(true)");  // has_proprietary_codecs=true
 #else
@@ -145,17 +133,11 @@ IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_Mp4aVariants) {
 #endif
 }
 
-// Flaky on Marshmallow. https://crbug.com/1090770
-#if defined(OS_ANDROID)
-#define MAYBE_CodecSupportTest_HLS DISABLED_CodecSupportTest_HLS
-#else
-#define MAYBE_CodecSupportTest_HLS CodecSupportTest_HLS
-#endif
-IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, MAYBE_CodecSupportTest_HLS) {
+IN_PROC_BROWSER_TEST_F(MediaCanPlayTypeTest, CodecSupportTest_HLS) {
 #if defined(OS_ANDROID)
   ExecuteTest("testHls(true)");  // has_hls_support=true
 #else
-  ExecuteTest("testHls(false)");  // has_hls_support=false
+  ExecuteTest("testHls(false)");            // has_hls_support=false
 #endif
 }