Rename feature flag for inter character justification

Bug: 322228767
Test: TreeHugger
Change-Id: Iea07f64362537123a702928aeb0becff8cef9f71
diff --git a/libs/hwui/FeatureFlags.h b/libs/hwui/FeatureFlags.h
index 6ebfc63..ac75c07 100644
--- a/libs/hwui/FeatureFlags.h
+++ b/libs/hwui/FeatureFlags.h
@@ -41,9 +41,9 @@
 #endif  // __ANDROID__
 }
 
-inline bool inter_character_justification() {
+inline bool letter_spacing_justification() {
 #ifdef __ANDROID__
-    return com_android_text_flags_inter_character_justification();
+    return com_android_text_flags_letter_spacing_justification();
 #else
     return true;
 #endif  // __ANDROID__