Fix clang-tidy warnings (#4359)

The warnings included recommendations of braces for if statement
readability, a recommendation for default initialization of an int
array, and include-what-you-use (indirectly through clang-tidy reporting
undefined symbols).

crossConnIntegrationTests/src/main/native/cpp/PWMTest.cpp

@@ -100,8 +100,9 @@ void TestTimingDMA(int squelch, std::pair<int, int> param) {
       auto value = HAL_GetDMASampleDigitalSource(&dmaSamples[startIndex],
                                                  dioHandle, &status);
       ASSERT_EQ(0, status);
-      if (value)
+      if (value) {
         break;
+      }
       startIndex++;
     }
     ASSERT_LT(startIndex, 6);