Temporary disable verification when hiding app

For some reason, Google Play Protect randomly blocks our self-signed
repackaged Magisk Manager APKs. Since we are root, the sky is our
limit, so yeah, disable package verification temporarily when installing
patched APKs, LOLz

Close #1979

app/src/main/java/com/topjohnwu/magisk/utils/PatchAPK.kt

@@ -103,7 +103,7 @@ object PatchAPK {
 
         // Install the application
         repack.setReadable(true, false)
-        if (!Shell.su("pm install $repack").exec().isSuccess)
+        if (!Shell.su("force_pm_install $repack").exec().isSuccess)
             return false
 
         Config.suManager = pkg

app/src/main/res/raw/utils.sh

@@ -109,3 +109,13 @@ EOF
   touch hosts/auto_mount
   cd /
 }
+
+force_pm_install() {
+  local APK=$1
+  local VERIFY=`settings get global package_verifier_enable`
+  [ "$VERIFY" -eq 1 ] && settings set global package_verifier_enable 0
+  pm install -r $APK
+  local res=$?
+  [ "$VERIFY" -eq 1 ] && settings set global package_verifier_enable 1
+  return $res
+}