Merge #6403

6403:  GeckoView update (beta) (20200326-140654) r=Amejia481 a=MickeyMoz
Co-authored-by: MickeyMoz <sebastian@mozilla.com>

buildSrc/src/main/java/Gecko.kt

@@ -11,7 +11,7 @@ internal object GeckoVersions {
     /**
      * GeckoView Beta Version.
      */
-    const val beta_version = "75.0.20200325013053"
+    const val beta_version = "75.0.20200325213426"
 
     /**
      * GeckoView Release Version.