Increase thread timeout to reduce flakiness.

Taken from upstream:
https://github.com/xbmc/xbmc/commit/574b0182d8b641fd24029f372ebdcccc897123e2

diff --git a/xbmc/threads/test/TestEvent.cpp b/xbmc/threads/test/TestEvent.cpp
index 42fb8c2fc609..40e644c0ed3c 100644
--- a/xbmc/threads/test/TestEvent.cpp
+++ b/xbmc/threads/test/TestEvent.cpp
@@ -484,7 +484,7 @@ TEST(TestEvent, GroupTimedWait)
   EXPECT_TRUE(w3.result == NULL);
 
   // this should end given the wait is for only 50 millis
-  EXPECT_TRUE(waitThread3.timed_join(MILLIS(100)));
+  EXPECT_TRUE(waitThread3.timed_join(MILLIS(200)));
 
   EXPECT_TRUE(!w3.waiting);
   EXPECT_TRUE(w3.result == NULL);
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<tr><td><span title='2021-03-23 23:19:57 -0700'>2021-03-23</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=b50f42680352213beb64c248c1af2f9dcc1612fc'>gnu: libelf: Fix compilation for powerpc64le-linux.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/elf.scm (libelf)[arguments]: Modify replacement 'configure phase
to invoke "./configure" with "--host=powerpc64le-unknown-linux-gnu" on
powerpc64le-linux.

Signed-off-by: Chris Marusich &lt;cmmarusich@gmail.com&gt;
</span></span></td><td>Leo Le Bouter</td></tr>
<tr><td><span title='2021-01-25 15:40:55 -0500'>2021-01-25</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=68dd78e2e47248b3e1e7ba1807a92a8374b39097'>Merge branch 'master' into staging</a></td><td>Leo Famulari</td></tr>
<tr><td><span title='2021-01-19 17:12:14 -0600'>2021-01-19</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=13f5f3a2516b211766b33b97875c018a6e1e2388'>gnu: libabigail: Update to 1.8.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/elf.scm (libabigail): Update to 1.8.
</span></span></td><td>Eric Bavier</td></tr>
<tr><td><span title='2020-12-13 21:44:12 +0100'>2020-12-13</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=17c6b81a67aca90ea13fce2d2a1695a9b5d3be3b'>gnu: elfutils: Update to 0.182.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/elf.scm (elfutils): Update to 0.182.
[arguments]: Add "--disable-libdebuginfod" and "--disable-debuginfod" to
 #:configure-flags.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-07-22 01:39:22 +0200'>2020-07-22</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=337333c2567bdf767fdc8e04520c4bc0c8b33784'>gnu: patchelf: Update to 0.11.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/elf.scm (patchelf): Update to 0.11.

Signed-off-by: Marius Bakke &lt;marius@gnu.org&gt;
</span></span></td><td>Michael Rohleder</td></tr>
<tr><td><span title='2020-06-02 23:41:36 +0200'>2020-06-02</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=c45431a2838644bae90613690b023019b8bce456'>gnu: libabigail: Update to 1.7.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/elf.scm (libabigail): Update to 1.7.
</span></span></td><td>Marius Bakke</td></tr>
<tr><td><span title='2020-05-17 20:23:18 +0300'>2020-05-17</span></td><td><a href='/guix/commit/gnu/packages/elf.scm?id=03f4c9414b0c165c856d236ee0024fdf8d54862f'>gnu: elfutils: Skip tests on powerpc.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/elf.scm (elfutils)[arguments]: Skip tests on powerpc.
</span></span></td><td>Efraim Flashner</td></tr>