Implement OSEventObjectWait*AndHoldBridgeLock

We're using fine-grained locking and not the bridge lock, so these are
the same as the ones that don't hold the bridge lock.

Change-Id: I58570463ea7472bcce215564ef46c750628dd938
diff --git a/services/server/env/fuchsia/osfunc.cc b/services/server/env/fuchsia/osfunc.cc
index e31f0e7..2981392 100644
--- a/services/server/env/fuchsia/osfunc.cc
+++ b/services/server/env/fuchsia/osfunc.cc
@@ -662,15 +662,19 @@
 PVRSRV_ERROR
 OSEventObjectWaitTimeoutAndHoldBridgeLock(IMG_HANDLE hOSEventKM, IMG_UINT64 uiTimeoutus)
 {
-	NOT_IMPLEMENTED();
-	return PVRSRV_ERROR_NOT_SUPPORTED;
+#if defined(PVRSRV_USE_BRIDGE_LOCK)
+#error Bridge lock not supported
+#endif
+	return OSEventObjectWaitTimeout(hOSEventKM, uiTimeoutus);
 }
 
 PVRSRV_ERROR
 OSEventObjectWaitAndHoldBridgeLock(IMG_HANDLE hOSEventKM)
 {
-	NOT_IMPLEMENTED();
-	return PVRSRV_ERROR_NOT_SUPPORTED;
+#if defined(PVRSRV_USE_BRIDGE_LOCK)
+#error Bridge lock not supported
+#endif
+	return OSEventObjectWait(hOSEventKM);
 }
 
 PVRSRV_ERROR