lmkd: Update documentation of a couple defaults am: 4636a7dcd5

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/3555670

Change-Id: I16ae2a5edc8434274459006d1056a3ec549b4ab1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/README.md b/README.md
index b5748d4..d140016 100644
--- a/README.md
+++ b/README.md
@@ -60,14 +60,13 @@
                                  any eligible task (fast decision). Default = false
 
   - `ro.lmk.kill_timeout_ms`:    duration in ms after a kill when no additional
-                                 kill will be done. Default = 0 (disabled)
+                                 kill will be done. Default = 100
 
   - `ro.lmk.debug`:              enable lmkd debug logs, Default = false
 
   - `ro.lmk.swap_free_low_percentage`: level of free swap as a percentage of the
                                  total swap space used as a threshold to consider
-                                 the system as swap space starved. Default for
-                                 low-RAM devices = 10, for high-end devices = 20
+                                 the system as swap space starved. Default = 10
 
   - `ro.lmk.thrashing_limit`:    number of workingset refaults as a percentage of
                                 the file-backed pagecache size used as a threshold