feat: unmount all occurrences in /proc/mounts (ReVanced#131)

Author: decipher3114

src/main/kotlin/app/revanced/utils/adb/Constants.kt

@@ -35,7 +35,7 @@ internal object Constants {
 
     // unmount command
     internal const val COMMAND_UMOUNT =
-        "stock_path=${'$'}( pm path $PLACEHOLDER | grep base | sed 's/package://g' ) && umount -l ${'$'}stock_path"
+        "grep $PLACEHOLDER /proc/mounts | while read -r line; do echo ${'$'}line | cut -d " " -f 2 | xargs -r umount -l; done"
 
     // install mount script & set permissions
     internal const val COMMAND_INSTALL_MOUNT = "mv $PATH_INIT_PUSH $PATH_MOUNT && $COMMAND_CHMOD_MOUNT $PATH_MOUNT"