Switch to source-built GSON.

Bug: 243950468
Test: local build, presubmit
Change-Id: Ifd9c83ce4940d209a473d20e4581c83b1e112d81
diff --git a/packages/SystemUI/shared/Android.bp b/packages/SystemUI/shared/Android.bp
index 18bd6b4..3543cfc 100644
--- a/packages/SystemUI/shared/Android.bp
+++ b/packages/SystemUI/shared/Android.bp
@@ -52,7 +52,7 @@
         "SystemUIUnfoldLib",
         "androidx.dynamicanimation_dynamicanimation",
         "androidx.concurrent_concurrent-futures",
-        "gson-prebuilt-jar",
+        "gson",
         "dagger2",
         "jsr330",
     ],