Add flag for Normalized PWLE feature

Adding flag to enable the feature to create normalized PWLE effects using both advanced and simple APIs.

Bug: 347035826
Flag: android.os.vibrator.normalized_pwle_effects
Test: N/A
Change-Id: I86ce6e1eb904367b6b21fce5841aaa6c34426c21
diff --git a/core/java/android/os/vibrator/flags.aconfig b/core/java/android/os/vibrator/flags.aconfig
index 53a1a67d..e3b1221 100644
--- a/core/java/android/os/vibrator/flags.aconfig
+++ b/core/java/android/os/vibrator/flags.aconfig
@@ -113,3 +113,14 @@
         purpose: PURPOSE_FEATURE
     }
 }
+
+flag {
+    namespace: "haptics"
+    name: "normalized_pwle_effects"
+    is_exported: true
+    description: "Enables functionality to create PWLE effects using advanced and simple APIs"
+    bug: "341052318"
+    metadata {
+        purpose: PURPOSE_FEATURE
+    }
+}
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