powerhint: Reduce StaleTimeFactor

Reduce StaleTimeFactor for power saving

Bug: 269523712
Test: boot and run uibench
Change-Id: I347a2e3c24fe6ad3a81edca32b44abd83008adf9
Signed-off-by: Ziyi Cui <ziyic@google.com>
diff --git a/powerhint-oriole.json b/powerhint-oriole.json
index b8f0a52..cf33119 100644
--- a/powerhint-oriole.json
+++ b/powerhint-oriole.json
@@ -1860,7 +1860,7 @@
       "EarlyBoost_On": false,
       "EarlyBoost_TimeFactor": 0.0,
       "TargetTimeFactor": 1.0,
-      "StaleTimeFactor": 20.0
+      "StaleTimeFactor": 15.0
     },
     {
       "Name": "REFRESH_90FPS",
@@ -1884,7 +1884,7 @@
       "EarlyBoost_On": false,
       "EarlyBoost_TimeFactor": 0.0,
       "TargetTimeFactor": 1.0,
-      "StaleTimeFactor": 20.0
+      "StaleTimeFactor": 15.0
     },
     {
       "Name": "REFRESH_60FPS",
@@ -1908,7 +1908,7 @@
       "EarlyBoost_On": false,
       "EarlyBoost_TimeFactor": 0.0,
       "TargetTimeFactor": 1.0,
-      "StaleTimeFactor": 20.0
+      "StaleTimeFactor": 15.0
     },
     {
       "Name": "UiHighBoostWithoutPid",
diff --git a/powerhint-raven.json b/powerhint-raven.json
index b71165f..483ef8d 100644
--- a/powerhint-raven.json
+++ b/powerhint-raven.json
@@ -1841,7 +1841,7 @@
       "EarlyBoost_On": false,
       "EarlyBoost_TimeFactor": 0.0,
       "TargetTimeFactor": 1.0,
-      "StaleTimeFactor": 20.0
+      "StaleTimeFactor": 15.0
     },
     {
       "Name": "REFRESH_90FPS",
@@ -1865,7 +1865,7 @@
       "EarlyBoost_On": false,
       "EarlyBoost_TimeFactor": 0.0,
       "TargetTimeFactor": 1.0,
-      "StaleTimeFactor": 20.0
+      "StaleTimeFactor": 15.0
     },
     {
       "Name": "REFRESH_60FPS",
@@ -1889,7 +1889,7 @@
       "EarlyBoost_On": false,
       "EarlyBoost_TimeFactor": 0.0,
       "TargetTimeFactor": 1.0,
-      "StaleTimeFactor": 20.0
+      "StaleTimeFactor": 15.0
     },
     {
       "Name": "UiHighBoostWithoutPid",