Remove 'f' prefix on SkRuntimeEffect::Uniform struct

Change-Id: Ibb48d30b9c0d80db3bf7b92d8c4a60bd9ce6839d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/365696
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
diff --git a/RELEASE_NOTES.txt b/RELEASE_NOTES.txt
index bb9ceed..5271341 100644
--- a/RELEASE_NOTES.txt
+++ b/RELEASE_NOTES.txt
@@ -30,6 +30,9 @@
   * Changed SkRuntimeEffect::Varying to have lower-case member names, with no 'f' prefix.
     https://review.skia.org/365656
 
+  * Changed SkRuntimeEffect::Uniform to have lower-case member names, with no 'f' prefix.
+    https://review.skia.org/365696
+
   * Deprecate (and ignore) SkAndroidCodec::ExifOrientation
     https://review.skia.org/344763