Shamu: power profile: reduce cost for cpu.awake

Reduce cpu.awake to power cost to 8 based on the power values
from the dashboard "partial wake lock" - "airplane suspend"

Bug: 27453388
Change-Id: I0505d8eaec432f066c804a897482881faa7ba27f
diff --git a/overlay/frameworks/base/core/res/res/xml/power_profile.xml b/overlay/frameworks/base/core/res/res/xml/power_profile.xml
index 4a565ab..d21b901 100644
--- a/overlay/frameworks/base/core/res/res/xml/power_profile.xml
+++ b/overlay/frameworks/base/core/res/res/xml/power_profile.xml
@@ -67,7 +67,7 @@
     </array>
     <!-- Power consumption when CPU is idle -->
     <item name="cpu.idle">6</item>
-    <item name="cpu.awake">30</item>
+    <item name="cpu.awake">8</item>
     <!-- Power consumption at different speeds -->
     <array name="cpu.active">
         <value>71</value> <!-- 300 MHz CPU speed -->