Merge branch 'android11-5.4' into android11-5.4-lts

Do a back-merge to catch the latest -lts merge sync with the
android11-5.4 branch.  Changes included in here are:

* b8b210d8 Merge tag 'android11-5.4.283_r00' into android11-5.4
* d62984ad ANDROID: delete tool added by mistake
* a03c6437 ANDROID: fix ENOMEM check of binder_proc_ext
* be021568 ANDROID: binder: fix KMI issues due to frozen notification
* 1063c2fa BACKPORT: FROMGIT: binder: frozen notification binder_features flag
* d1e87637 BACKPORT: FROMGIT: binder: frozen notification
* 8c4165a0 BACKPORT: selftests/binderfs: add test for feature files
* 4d4f8b7a UPSTREAM: docs: binderfs: add section about feature files
* 460de655 BACKPORT: binderfs: add support for feature files
* 31f1f4b2 FROMLIST: binder: fix memory leaks of spam and pending work
* 334fe73b FROMGIT: Binder: add TF_UPDATE_TXN to replace outdated txn
* 2bfddf30 BACKPORT: binder: tell userspace to dump current backtrace when detected oneway spamming

Change-Id: Ib371e14baa94e83eacd571123d27b80a4d569d36
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>