Merge pull request #13219 from dustdfg/kotlin_check_is_not_if

Correct inverted check (error fix on dev branch)

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?"
         }