power: Introducing PowerHAL binderized service

Moving from the default implementation to a binderized service with no
wrapping.
Now using 1.2 implementation of the IPower interface.

Change-Id: Ibefd916544f51545e6889684a051b2ecc5867fe2

power-common.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2013, 2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2013, 2018-2019 The Linux Foundation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -26,6 +26,13 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+#ifndef __POWER_COMMON_H__
+#define __POWER_COMMON_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define NODE_MAX (64)
 
 #define SCALING_GOVERNOR_PATH "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"
@@ -42,9 +49,21 @@
 #define HINT_HANDLED (0)
 #define HINT_NONE (-1)
 
+#include <hardware/power.h>
+
 enum CPU_GOV_CHECK {
     CPU0 = 0,
     CPU1 = 1,
     CPU2 = 2,
     CPU3 = 3
 };
+
+void power_init(void);
+void power_hint(power_hint_t hint, void *data);
+void set_interactive(int on);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif //__POWER_COMMON_H___