hikey: powerHAL: Update PowerHAL for top-app category and other tweaks

The initial EAS hikey powerhal was added before N was released, which
introduced the top-app category. So refactor the code to use top-app.

This also tweaks the build so that the module can be more easily
reused on other hardware.

Change-Id: I2847cbf62ea45b15fa2b8d3ee249c153cea351b0
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/init.common.rc b/init.common.rc
index 81c7aa2..11bc675 100644
--- a/init.common.rc
+++ b/init.common.rc
@@ -66,10 +66,15 @@
     #
     # EAS stune boosting interfaces
     #
+    chown system system /dev/stune/top-app/schedtune.boost
+    chown system system /dev/stune/top-app/schedtune.prefer_idle
     chown system system /dev/stune/foreground/schedtune.boost
     chown system system /dev/stune/foreground/schedtune.prefer_idle
     chown system system /dev/stune/schedtune.boost
-    write /dev/stune/foreground/schedtune.boost 10
+
+    write /dev/stune/top-app/schedtune.boost 10
+    write /dev/stune/top-app/schedtune.prefer_idle 1
+    write /dev/stune/foreground/schedtune.boost 0
     write /dev/stune/foreground/schedtune.prefer_idle 1
     write /dev/stune/schedtune.boost 0
 
diff --git a/power/Android.mk b/power/Android.mk
index 2c7e15f..187d56e 100644
--- a/power/Android.mk
+++ b/power/Android.mk
@@ -22,6 +22,6 @@
 LOCAL_MODULE_RELATIVE_PATH := hw
 LOCAL_SHARED_LIBRARIES := liblog libcutils
 LOCAL_SRC_FILES := power_hikey.c
-LOCAL_MODULE := power.hikey
+LOCAL_MODULE := power.$(TARGET_BOARD_PLATFORM)
 LOCAL_MODULE_TAGS := optional
 include $(BUILD_SHARED_LIBRARY)
diff --git a/power/power_hikey.c b/power/power_hikey.c
index e9a5248..d54eae9 100644
--- a/power/power_hikey.c
+++ b/power/power_hikey.c
@@ -36,7 +36,7 @@
 #include <hardware/hardware.h>
 #include <hardware/power.h>
 
-#define SCHEDTUNE_BOOST_PATH "/dev/stune/foreground/schedtune.boost"
+#define SCHEDTUNE_BOOST_PATH "/dev/stune/top-app/schedtune.boost"
 #define SCHEDTUNE_BOOST_NORM "10"
 #define SCHEDTUNE_BOOST_INTERACTIVE "40"
 #define SCHEDTUNE_BOOST_TIME_NS 1000000000LL