patch 8.2.1292: AIDL filetype not recognized

Problem:    AIDL filetype not recognized.
Solution:   Add filetype detection. (Dominique Pellé, closes #6533)
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index 7c76b12..80ea294 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -88,6 +88,9 @@
 " AHDL
 au BufNewFile,BufRead *.tdf			setf ahdl
 
+" AIDL
+au BufNewFile,BufRead *.aidl			setf aidl
+
 " AMPL
 au BufNewFile,BufRead *.run			setf ampl
 
diff --git a/src/testdir/test_filetype.vim b/src/testdir/test_filetype.vim
index 8ec8355..2e517c0 100644
--- a/src/testdir/test_filetype.vim
+++ b/src/testdir/test_filetype.vim
@@ -54,6 +54,7 @@
     \ 'acedb': ['file.wrm'],
     \ 'ada': ['file.adb', 'file.ads', 'file.ada', 'file.gpr'],
     \ 'ahdl': ['file.tdf'],
+    \ 'aidl': ['file.aidl'],
     \ 'alsaconf': ['.asoundrc', '/usr/share/alsa/alsa.conf', '/etc/asound.conf'],
     \ 'aml': ['file.aml'],
     \ 'ampl': ['file.run'],
diff --git a/src/version.c b/src/version.c
index 8934011..3611fe6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1292,
+/**/
     1291,
 /**/
     1290,