Game Driver Metrics: make gpu stats info parcelable

This change also rename the GpuStats*Atom to GpuStats*Info because we'd
like to make GpuStats generic to all the authorized recipients, but atom
is too specific to statsd.

Bug: 126560138
Test: adb shell dumpsys gpu --gpustats
Change-Id: Ie071277ae849a32607979d07aca7682febaf4368
diff --git a/libs/graphicsenv/Android.bp b/libs/graphicsenv/Android.bp
index d940752..0571dcc 100644
--- a/libs/graphicsenv/Android.bp
+++ b/libs/graphicsenv/Android.bp
@@ -16,6 +16,7 @@
     name: "libgraphicsenv",
 
     srcs: [
+        "GpuStatsInfo.cpp",
         "GraphicsEnv.cpp",
         "IGpuService.cpp"
     ],