libcameraservice: update for revised HIDL gralloc

There is only BufferUsage instead of ProducerUsage/ConsumerUsage
now.

Test: make
Change-Id: I265ca4c27e284fb1f704659efd74355f82d3c192
diff --git a/services/camera/libcameraservice/device3/Camera3Device.cpp b/services/camera/libcameraservice/device3/Camera3Device.cpp
index c35dab6..7d8d61e 100644
--- a/services/camera/libcameraservice/device3/Camera3Device.cpp
+++ b/services/camera/libcameraservice/device3/Camera3Device.cpp
@@ -500,7 +500,7 @@
     return dataSpace;
 }
 
-ConsumerUsageFlags Camera3Device::mapToConsumerUsage(
+BufferUsageFlags Camera3Device::mapToConsumerUsage(
         uint32_t usage) {
     return usage;
 }
@@ -555,12 +555,12 @@
 }
 
 uint32_t Camera3Device::mapConsumerToFrameworkUsage(
-        ConsumerUsageFlags usage) {
+        BufferUsageFlags usage) {
     return usage;
 }
 
 uint32_t Camera3Device::mapProducerToFrameworkUsage(
-        ProducerUsageFlags usage) {
+        BufferUsageFlags usage) {
     return usage;
 }