Boost DISPLAY_UPDATE_IMMINENT higher for 60HZ

To improve the beginning of UI operations, boost higher for
DISPLAY_UPDATE_IMMINENT when in 60HZ.

Bug: 196192814
Test: Build and trace
Change-Id: I1c45ba66164ca4109289aaabacedaf3888e235b9
Signed-off-by: Wei Wang <wvw@google.com>
diff --git a/powerhint.json b/powerhint.json
index 54f62b3..bcac508 100644
--- a/powerhint.json
+++ b/powerhint.json
@@ -138,7 +138,6 @@
         "107",
         "42"
       ],
-      "DefaultIndex": 1,
       "ResetOnInit": true
     },
     {
@@ -1122,7 +1121,7 @@
       "PowerHint": "BOOST_60HZ",
       "Node": "TAUClampBoost",
       "Duration": 200,
-      "Value": "43"
+      "Value": "108"
     },
     {
       "PowerHint": "REFRESH_120FPS",