make the warning timout of Fence::waitForever() implicit and longer

- timeout is now 3 seconds instead of 1
- simplifies the API a bit
- allows us to change/tweak this timeout globaly

Bug: 8988871

Change-Id: I8d3c6ec43a372f602fb3f29856710339f86c0ec9
diff --git a/libs/gui/BufferItemConsumer.cpp b/libs/gui/BufferItemConsumer.cpp
index 90619ab..7db1b84 100644
--- a/libs/gui/BufferItemConsumer.cpp
+++ b/libs/gui/BufferItemConsumer.cpp
@@ -63,7 +63,7 @@
     }
 
     if (waitForFence) {
-        err = item->mFence->waitForever(1000, "BufferItemConsumer::acquireBuffer");
+        err = item->mFence->waitForever("BufferItemConsumer::acquireBuffer");
         if (err != OK) {
             BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)",
                     strerror(-err), err);