[3.13] pythongh-124873: Skip timerfd tests on Android (pythonGH-127279)…

… (python#127290)

pythongh-124873: Skip timerfd tests on Android (pythonGH-127279)

* Revert "[3.13] pythongh-124873: Tolerate 100 ms in TimerfdTests on Android (pythonGH-127101) (pythonGH-127105)"

This reverts commit c09366b.

* Skip timerfd tests on Android.

(cherry picked from commit 4ca2c82)

Co-authored-by: Malcolm Smith <[email protected]>
Co-authored-by: Victor Stinner <[email protected]>

Lib/test/test_os.py

@@ -4124,12 +4124,13 @@ def test_eventfd_select(self):
         os.eventfd_read(fd)
 
 @unittest.skipUnless(hasattr(os, 'timerfd_create'), 'requires os.timerfd_create')
+@unittest.skipIf(sys.platform == "android", "gh-124873: Test is flaky on Android")
 @support.requires_linux_version(2, 6, 30)
 class TimerfdTests(unittest.TestCase):
     # 1 ms accuracy is reliably achievable on every platform except Android
-    # emulators, where we allow 100 ms (gh-124873).
+    # emulators, where we allow 10 ms (gh-108277).
     if sys.platform == "android" and platform.android_ver().is_emulator:
-        CLOCK_RES_PLACES = 1
+        CLOCK_RES_PLACES = 2
     else:
         CLOCK_RES_PLACES = 3