libgui: Enable -Weverything and -Werror

Enables -Weverything and -Werror, with just a few exceptions for
warnings we can't (or shouldn't need to) work around.

Change-Id: I034abec27bf4020d84af60d7acc1939c59986dd6
diff --git a/include/gui/BufferQueueConsumer.h b/include/gui/BufferQueueConsumer.h
index 1912ed0..898c451 100644
--- a/include/gui/BufferQueueConsumer.h
+++ b/include/gui/BufferQueueConsumer.h
@@ -125,9 +125,8 @@
 
     // setDefaultBufferFormat allows the BufferQueue to create
     // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat);
+    // in dequeueBuffer. The initial default is HAL_PIXEL_FORMAT_RGBA_8888.
+    virtual status_t setDefaultBufferFormat(PixelFormat defaultFormat);
 
     // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
     // These are merged with the bits passed to dequeueBuffer.  The values are