Camera3: Provide consumer usage flags to HAL for each stream

At stream configure time, pass on the stream's consumer usage flags
to the HAL, to speed up final hardware configuration.

Bug: 9592202
Change-Id: Ie467be053be36a09e482f5f05cad65df42d66476
diff --git a/services/camera/libcameraservice/device3/Camera3Stream.h b/services/camera/libcameraservice/device3/Camera3Stream.h
index 69d81e4..b64fd86 100644
--- a/services/camera/libcameraservice/device3/Camera3Stream.h
+++ b/services/camera/libcameraservice/device3/Camera3Stream.h
@@ -263,6 +263,10 @@
     // Get the total number of buffers in the queue
     virtual size_t   getBufferCountLocked() = 0;
 
+    // Get the usage flags for the other endpoint, or return
+    // INVALID_OPERATION if they cannot be obtained.
+    virtual status_t getEndpointUsage(uint32_t *usage) = 0;
+
   private:
     uint32_t oldUsage;
     uint32_t oldMaxBuffers;