Merge #6142

6142:  GeckoView update (nightly) (20200302-140747) r=psymoon a=MickeyMoz
Co-authored-by: MickeyMoz <sebastian@mozilla.com>

buildSrc/src/main/java/Gecko.kt

@@ -6,7 +6,7 @@ internal object GeckoVersions {
     /**
      * GeckoView Nightly Version.
      */
-    const val nightly_version = "75.0.20200301094802"
+    const val nightly_version = "75.0.20200302094818"
 
     /**
      * GeckoView Beta Version.