Define new dvrTrackingCamera API

Also add stub implementation for those API.

Bug: 78173557
Bug: 78171546
Test: This is header only
Change-Id: Icf5d0c7e93b14e06cc7e03c86eb0adc227fc251c
diff --git a/libs/vr/libdvr/tests/Android.bp b/libs/vr/libdvr/tests/Android.bp
index 0144c25..b23a0fa 100644
--- a/libs/vr/libdvr/tests/Android.bp
+++ b/libs/vr/libdvr/tests/Android.bp
@@ -16,6 +16,7 @@
     srcs: [
         "dvr_display_manager-test.cpp",
         "dvr_named_buffer-test.cpp",
+        "dvr_tracking-test.cpp",
     ],
 
     header_libs: ["libdvr_headers"],
@@ -40,6 +41,7 @@
         "libpdx_default_transport",
     ],
     cflags: [
+        "-DDVR_TRACKING_IMPLEMENTED=0",
         "-DLOG_TAG=\"dvr_api-test\"",
         "-DTRACE=0",
         "-Wno-missing-field-initializers",