perfetto-ui: Fix typo vibrartor -> vibrator

Change-Id: Ia657b410e3df580b09381b1c36ba6132f480591d
diff --git a/ui/src/frontend/record_page.ts b/ui/src/frontend/record_page.ts
index 9b3e202..79f91aa 100644
--- a/ui/src/frontend/record_page.ts
+++ b/ui/src/frontend/record_page.ts
@@ -60,7 +60,7 @@
 ATRACE_CATEGORIES.set('database', 'Database');
 ATRACE_CATEGORIES.set('network', 'Network');
 ATRACE_CATEGORIES.set('adb', 'ADB');
-ATRACE_CATEGORIES.set('vibrartor', 'Vibrator');
+ATRACE_CATEGORIES.set('vibrator', 'Vibrator');
 ATRACE_CATEGORIES.set('aidl', 'AIDL calls');
 ATRACE_CATEGORIES.set('nnapi', 'Neural Network API');
 ATRACE_CATEGORIES.set('rro', 'Resource Overlay');