misc: use "processing duration" instead of "processing time" for INP

core/audits/work-during-interaction.js

@@ -30,7 +30,7 @@
   /** Label for a column in a data table; entries will be information on the time that the browser is delayed before responding to user input. Ideally fits within a ~40 character limit. */
   inputDelay: 'Input delay',
   /** Label for a column in a data table; entries will be information on the time taken by code processing user input that delays a response to the user. Ideally fits within a ~40 character limit. */
-  processingTime: 'Processing time',
+  processingDuration: 'Processing duration',
   /** Label for a column in a data table; entries will be information on the time that the browser is delayed before presenting a response to user input on screen. Ideally fits within a ~40 character limit. */
   presentationDelay: 'Presentation delay',
   /**
@@ -115,7 +115,7 @@
     const endTs = startTs + interactionData.duration * 1000;
     return {
       inputDelay: {startTs, endTs: processingStartTs},
-      processingTime: {startTs: processingStartTs, endTs: processingEndTs},
+      processingDuration: {startTs: processingStartTs, endTs: processingEndTs},
       presentationDelay: {startTs: processingEndTs, endTs},
     };
   }

core/test/audits/work-during-interaction-test.js

@@ -173,8 +173,8 @@ Object {
           },
           Object {
             "phase": Object {
-              "formattedDefault": "Processing time",
-              "i18nId": "core/audits/work-during-interaction.js | processingTime",
+              "formattedDefault": "Processing duration",
+              "i18nId": "core/audits/work-during-interaction.js | processingDuration",
               "values": undefined,
             },
             "subItems": Object {
@@ -237,7 +237,7 @@ Object {
             "endTs": 633282934296,
             "startTs": 633282649296,
           },
-          "processingTime": Object {
+          "processingDuration": Object {
             "endTs": 633282649296,
             "startTs": 633282608296,
           },

core/test/fixtures/user-flows/reports/sample-flow-result.json

@@ -10818,7 +10818,7 @@
                       }
                     },
                     {
-                      "phase": "Processing time",
+                      "phase": "Processing duration",
                       "total": 33,
                       "subItems": {
                         "type": "subitems",
@@ -10876,7 +10876,7 @@
                       "startTs": 183718309017,
                       "endTs": 183718325017
                     },
-                    "processingTime": {
+                    "processingDuration": {
                       "startTs": 183718325017,
                       "endTs": 183718358017
                     },
@@ -12614,7 +12614,7 @@
             "core/audits/work-during-interaction.js | inputDelay": [
               "audits[work-during-interaction].details.items[1].items[0].phase"
             ],
-            "core/audits/work-during-interaction.js | processingTime": [
+            "core/audits/work-during-interaction.js | processingDuration": [
               "audits[work-during-interaction].details.items[1].items[1].phase"
             ],
             "core/audits/work-during-interaction.js | presentationDelay": [