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/CpuConsumer.cpp b/libs/gui/CpuConsumer.cpp
index 91af78d..0543649 100644
--- a/libs/gui/CpuConsumer.cpp
+++ b/libs/gui/CpuConsumer.cpp
@@ -80,7 +80,7 @@
     int buf = b.mBuf;
 
     if (b.mFence.get()) {
-        err = b.mFence->waitForever(1000, "CpuConsumer::lockNextBuffer");
+        err = b.mFence->waitForever("CpuConsumer::lockNextBuffer");
         if (err != OK) {
             CC_LOGE("Failed to wait for fence of acquired buffer: %s (%d)",
                     strerror(-err), err);