Prevent passwords from being recorded during text conversion

* doc/lispref/commands.texi (Misc Events): Document new value of
text-conversion-style.

* java/org/gnu/emacs/EmacsService.java (EmacsService)
<IC_MODE_PASSWORD>: New constant.

* java/org/gnu/emacs/EmacsView.java (onCreateInputConnection):
Set TYPE_TEXT_VARIATION_PASSWORD and IME_FLAG_FORCE_ASII if mode
is IC_MODE_PASSWORD.

* lisp/subr.el (read-passwd): Set text-conversion-style to
`password'.

* src/androidgui.h (enum android_ic_mode): New value
ANDROID_IC_MODE_PASSWORD.

* src/androidterm.c (android_reset_conversion): Handle
`password'.

* src/buffer.c (syms_of_buffer)
<&BVAR (current_buffer, text_conversion_style)>: Update doc
string.

* src/textconv.c (syms_of_textconv) <Qpassword>: New DEFSYM.
<Vtext_conversion_edits>: Fix typos in doc string.

1 files changed, 4 insertions, 3 deletions

diff --git a/src/androidgui.h b/src/androidgui.h
index d89aee51055..f941c7cc577 100644
--- a/src/androidgui.h
+++ b/src/androidgui.h
@@ -618,9 +618,10 @@ enum android_lookup_status
 
 enum android_ic_mode
   {
-    ANDROID_IC_MODE_NULL   = 0,
-    ANDROID_IC_MODE_ACTION = 1,
-    ANDROID_IC_MODE_TEXT   = 2,
+    ANDROID_IC_MODE_NULL     = 0,
+    ANDROID_IC_MODE_ACTION   = 1,
+    ANDROID_IC_MODE_TEXT     = 2,
+    ANDROID_IC_MODE_PASSWORD = 3,
   };
 
 enum android_stack_mode