Set enum to fixed size type

Bug: 63683612
Test: Manual. Ran O2 on Marlin, tested image streaming manually.

Since DvrPoseRawDataType enum will be part of the public DVR API,
explicitly define the size of the enum.

Change-Id: I3900470ccb3ca7a2c4e7ed8e7f5586c60486d9e6
diff --git a/libs/vr/libdvr/dvr_pose.cpp b/libs/vr/libdvr/dvr_pose.cpp
index 2ac3c0c..c379ef5 100644
--- a/libs/vr/libdvr/dvr_pose.cpp
+++ b/libs/vr/libdvr/dvr_pose.cpp
@@ -9,8 +9,7 @@
 
 using android::dvr::ConsumerQueue;
 
-int dvrPoseClientGetDataReader(DvrPoseClient* client,
-                               DvrPoseRawDataType data_type,
+int dvrPoseClientGetDataReader(DvrPoseClient* client, uint64_t data_type,
                                DvrReadBufferQueue** queue_out) {
   if (!client || !queue_out)
     return -EINVAL;