patch 9.1.0302: filetype: blueprint files are not recognized

Problem:  filetype: blueprint files are not recognized
Solution: Detect '*.bp' files as blueprint files, add
          a minimal filetype plugin (Bruno Belanyi)

See: https://source.android.com/docs/setup/build

closes: #14488

Signed-off-by: Bruno BELANYI <bruno@belanyi.fr>
Signed-off-by: Christian Brabandt <cb@256bit.org>

runtime/filetype.vim

@@ -2998,6 +2998,9 @@ au BufNewFile,BufRead *.txt
 " Blueprint markup files
 au BufNewFile,BufRead *.blp			setf blueprint
 
+" Blueprint build system file
+au BufNewFile,BufRead *.bp			setf bp
+
 " Use the filetype detect plugins.  They may overrule any of the previously
 " detected filetypes.
 runtime! ftdetect/*.vim

runtime/ftplugin/bp.vim

@@ -0,0 +1,14 @@
+" Blueprint build system filetype plugin file
+" Language: Blueprint
+" Maintainer: Bruno BELANYI <bruno.vim@belanyi.fr>
+" Latest Revision: 2024-04-10
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal comments=b:#
+setlocal commentstring=#\ %s
+
+let b:undo_ftplugin = "setlocal comments< commentstring<"

src/testdir/test_filetype.vim

@@ -126,6 +126,7 @@ def s:GetFilenameChecks(): dict<list<string>>
     blade: ['file.blade.php'],
     blank: ['file.bl'],
     blueprint: ['file.blp'],
+    bp: ['Android.bp'],
     bsdl: ['file.bsd', 'file.bsdl'],
     bst: ['file.bst'],
     bzl: ['file.bazel', 'file.bzl', 'WORKSPACE', 'WORKSPACE.bzlmod'],

src/version.c

@@ -704,6 +704,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    302,
 /**/
     301,
 /**/