Fix unit test compilation on Android

Summary:
Before, compilation fails with P130281113. After fixing BUCK target, fails with P130281201.

After all changes, the tests succeed.

Changelog: [Internal]

Reviewed By: mdvacca

Differential Revision: D21390996

fbshipit-source-id: c85aa43b3ef7fc9642d226ae706c937b2a5a408d

ReactCommon/fabric/mounting/BUCK

@@ -76,6 +76,7 @@ fb_xplat_cxx_test(
         "-Wall",
     ],
     contacts = ["oncall+react_native@xmail.facebook.com"],
+    fbandroid_use_instrumentation_test = True,
     platforms = (ANDROID, APPLE, CXX),
     deps = [
         ":mounting",

ReactCommon/fabric/mounting/tests/ShadowTreeLifeCycleTest.cpp

@@ -114,6 +114,9 @@ static void testShadowNodeTreeLifeCycle(
 
         LOG(ERROR) << "Entropy seed: " << entropy.getSeed() << "\n";
 
+        // There are some issues getting `getDebugDescription` to compile
+        // under test on Android for now.
+#ifndef ANDROID
         LOG(ERROR) << "Shadow Tree before: \n"
                    << currentRootNode->getDebugDescription();
         LOG(ERROR) << "Shadow Tree after: \n"
@@ -128,6 +131,7 @@ static void testShadowNodeTreeLifeCycle(
         LOG(ERROR) << "Mutations:"
                    << "\n"
                    << getDebugDescription(mutations, {});
+#endif
 
         FAIL();
       }