Correct inverted check

If performs action when value is true but check when false
Fix for d6be966db3

app/src/main/java/org/schabi/newpipe/player/mediabrowser/PackageValidator.kt

@@ -85,7 +85,7 @@ internal class PackageValidator(context: Context) {
             ?: error("Caller wasn't found in the system?")
 
         // Verify that things aren't ... broken. (This test should always pass.)
-        check(callerPackageInfo.uid != callingUid) {
+        check(callerPackageInfo.uid == callingUid) {
             "Caller's package UID doesn't match caller's actual UID?"
         }