[Extensions] Add a developerPrivate.updateExtensionConfiguration function

tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 0d361e4473fa557ce783a67fdf6f31d6eafc83ac..88b0d36f5d63b2993661db47d91549ba5fe32a31 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -48268,7 +48268,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="270" label="WALLPAPERPRIVATE_GETOFFLINEWALLPAPERLIST"/>
   <int value="271" label="BROWSERACTION_GETBADGEBACKGROUNDCOLOR"/>
   <int value="272" label="DELETED_PAGEACTIONS_DISABLEFORTAB"/>
-  <int value="273" label="DEVELOPERPRIVATE_ALLOWFILEACCESS"/>
+  <int value="273" label="DELETED_DEVELOPERPRIVATE_ALLOWFILEACCESS"/>
   <int value="274" label="FILEMANAGERPRIVATE_REMOVEMOUNT"/>
   <int value="275" label="DELETED_BLUETOOTH_CONNECT"/>
   <int value="276" label="TABCAPTURE_CAPTURE"/>
@@ -48418,7 +48418,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="420" label="NETWORKINGPRIVATE_VERIFYANDENCRYPTCREDENTIALS"/>
   <int value="421" label="NETWORKINGPRIVATE_VERIFYANDENCRYPTDATA"/>
   <int value="422" label="DEVELOPERPRIVATE_RESTART"/>
-  <int value="423" label="DEVELOPERPRIVATE_ALLOWINCOGNITO"/>
+  <int value="423" label="DELETED_DEVELOPERPRIVATE_ALLOWINCOGNITO"/>
   <int value="424" label="INPUT_IME_DELETESURROUNDINGTEXT"/>
   <int value="425" label="DELETED_FILEMANAGERPRIVATE_OPENNEWWINDOW"/>
   <int value="426" label="CLOUDPRINTPRIVATE_GETCLIENTID"/>
@@ -48994,6 +48994,7 @@ Therefore, the affected-histogram name has to have at least one dot in it.
   <int value="978" label="DEVELOPERPRIVATE_GETEXTENSIONSINFO"/>
   <int value="979" label="DEVELOPERPRIVATE_GETEXTENSIONINFO"/>
   <int value="980" label="FILEMANAGERPRIVATE_ENABLEEXTERNALFILESCHEME"/>
+  <int value="981" label="DEVELOPERPRIVATE_UPDATEEXTENSIONCONFIGURATION"/>
 </enum>
 
 <enum name="ExtensionInstallCause" type="int">