Use the correct language in code blocks.

There are a few places where no language is specified for a code block and
the default is incorrect.

There are a few places where pseudo code is treated as C++.

tutorials/plugins/android/android_plugin.rst

@@ -65,7 +65,7 @@ Android directories
 
 Inside your plugin folder, you can use the standard folders as if they were from an Android Gradle project. Examples of this are:
 
-::
+.. code-block:: none
 
    src/ - For Java source code, same as in your Android project
    res/ - For resources
@@ -91,19 +91,19 @@ AndroidManifest.conf
 
 This file allows to insert bits of chunk into *AndroidManifest.xml*, the following are supported tags and are entirely optional:
 
-::
+.. code-block:: none
 
    [user_permissions]
 
 Any bit of text below this tag is inserted inside the <manifest> tag of the file. This is often used for permission tags.
 
-::
+.. code-block:: none
 
    [application]
 
 Any bit of text below this tag inside the <application> tag of the file. Many SDKs require this.
 
-::
+.. code-block:: none
 
    [application_attribs]
 
@@ -114,7 +114,7 @@ gradle.conf
 
 This file allows to insert bits of chunk into *build.gradle*, the following are supported and are entirely optional:
 
-::
+.. code-block:: none
 
    [buildscript_repositories]
 
@@ -122,21 +122,21 @@ This file allows to insert bits of chunk into *build.gradle*, the following are
 Any bit of text below this tag is inserted inside the buildscript.repositories section of the build file.
 
 
-::
+.. code-block:: none
 
    [buildscript_dependencies]
 
 
 Any bit of text below this tag is inserted inside the buildscript.dependencies section of the build file.
 
-::
+.. code-block:: none
 
    [allprojects_repositories]
 
 
 Any bit of text below this tag is inserted inside the allprojects.repositories section of the build file.
 
-::
+.. code-block:: none
 
    [dependencies]
 
@@ -144,14 +144,14 @@ Any bit of text below this tag is inserted inside the allprojects.repositories s
 Any bit of text below this tag is inserted inside the dependencies section of the build file.
 
 
-::
+.. code-block:: none
 
    [android_defaultconfig]
 
 
 Any bit of text below this tag is inserted inside the android.defaultconfig section of the build file.
 
-::
+.. code-block:: none
 
    [global]
 
@@ -290,7 +290,7 @@ entire Java API from GDScript.
 
 It's simple to use and it's used like this:
 
-::
+.. code-block:: none
 
     class = JavaClassWrapper.wrap(<javaclass as text>)