Unified sampling PGO for art

Use a combined sampling PGO profile for ART libraries.

Test: build
Bug: 79161490
Change-Id: I2eeb1ac07971e37ee23848ebfb718b4651b9ac75
diff --git a/runtime/Android.bp b/runtime/Android.bp
index d67ed43..9b37b0f 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -428,36 +428,6 @@
     export_shared_lib_headers: ["libbase"],
 }
 
-cc_defaults {
-    name: "libart_pgo",
-
-    pgo: {
-        sampling: true,
-    },
-    target: {
-        android_arm64: {
-            pgo: {
-                profile_file: "art/libart_arm_arm64.profdata",
-            },
-        },
-        android_arm: {
-            pgo: {
-                profile_file: "art/libart_arm_arm64.profdata",
-            },
-        },
-        android_x86_64: {
-            pgo: {
-                profile_file: "art/libart_x86_x86_64.profdata",
-            },
-        },
-        android_x86: {
-            pgo: {
-                profile_file: "art/libart_x86_x86_64.profdata",
-            },
-        },
-    },
-}
-
 libart_static_cc_defaults {
     name: "libart_static_base_defaults",
     whole_static_libs: [
@@ -549,7 +519,7 @@
     defaults: [
         "libart_defaults",
         "libart_nativeunwind_defaults",
-        "libart_pgo",
+        "art_pgo_defaults",
     ],
     whole_static_libs: [
     ],