master updated (fa9791fe6af -> 48dc75f2353)

[Po Lu]

oldosfan pushed a change to branch master.

      from  fa9791fe6af Revert "Check if lexical-binding is enabled before 
warning"
       new  7df66b4762f Better align Emacs window management with Android task 
lifecycles
       new  ad5c6de2fce Revise android.texi to agree with last change
       new  a0da5d04bae ; * java/org/gnu/emacs/EmacsWindow.java (reparentTo): 
Typo.
       new  1f5a2c75e60 Prevent detachWindow from deleting frames
       new  48dc75f2353 ; * java/org/gnu/emacs/EmacsView.java (onKeyDown): 
Delete debugging code.


Summary of changes:
 doc/emacs/android.texi                             |  10 +-
 java/org/gnu/emacs/EmacsActivity.java              |  28 +-
 java/org/gnu/emacs/EmacsMultitaskActivity.java     |  38 ++-
 java/org/gnu/emacs/EmacsService.java               |   2 +-
 java/org/gnu/emacs/EmacsView.java                  |  10 +-
 java/org/gnu/emacs/EmacsWindow.java                |  53 +--
 .../gnu/emacs/EmacsWindowAttachmentManager.java    | 211 ------------
 java/org/gnu/emacs/EmacsWindowManager.java         | 369 +++++++++++++++++++++
 8 files changed, 462 insertions(+), 259 deletions(-)
 delete mode 100644 java/org/gnu/emacs/EmacsWindowAttachmentManager.java
 create mode 100644 java/org/gnu/emacs/EmacsWindowManager.java