Bug 1545217 - Enable some android gtests in xpcom/tests/gtest; r=jmaher

With changes from bug 1548555, some of the gtests previously disabled on Android
can be re-enabled.

Differential Revision: https://phabricator.services.mozilla.com/D30080

--HG--
extra : moz-landing-system : lando

xpcom/tests/gtest/moz.build

@@ -7,9 +7,11 @@
 UNIFIED_SOURCES += [
     'Helpers.cpp',
     'TestArenaAllocator.cpp',
+    'TestAtoms.cpp',
     'TestAutoPtr.cpp',
     'TestAutoRef.cpp',
     'TestAutoRefCnt.cpp',
+    'TestBase64.cpp',
     'TestCallTemplates.cpp',
     'TestCloneInputStream.cpp',
     'TestCOMPtrEq.cpp',
@@ -43,6 +45,7 @@ UNIFIED_SOURCES += [
     'TestSnappyStreams.cpp',
     'TestStateWatching.cpp',
     'TestStorageStream.cpp',
+    'TestStrings.cpp',
     'TestStringStream.cpp',
     'TestSynchronization.cpp',
     'TestTArray.cpp',
@@ -53,6 +56,7 @@ UNIFIED_SOURCES += [
     'TestThreadMetrics.cpp',
     'TestThreadPool.cpp',
     'TestThreadPoolListener.cpp',
+    'TestThreads.cpp',
     'TestThrottledEventQueue.cpp',
     'TestTimeStamp.cpp',
     'TestTokenizer.cpp',
@@ -61,11 +65,7 @@ UNIFIED_SOURCES += [
 
 if CONFIG['OS_TARGET'] != 'Android':
     UNIFIED_SOURCES += [
-        'TestAtoms.cpp',
-        'TestBase64.cpp',
         'TestPipes.cpp',
-        'TestStrings.cpp',
-        'TestThreads.cpp',
     ]
 
 # skip the test on windows10-aarch64 due to perma-fail, bug 1422219
@@ -98,7 +98,6 @@ else:
         'TestFilePreferencesUnix.cpp',
     ]
 
-
 if CONFIG['WRAP_STL_INCLUDES'] and CONFIG['CC_TYPE'] != 'clang-cl' and CONFIG['OS_TARGET'] != 'Android':
     UNIFIED_SOURCES += [
         'TestSTLWrappers.cpp',