perf: Add PerformanceManager.getProfileHasAppProfiles API

Add an API to query PerformanceManager if a perf profile supports
app-profiles.

Change-Id: I51d958343624ab085de0352ac182cb05308e0da4

src/java/cyanogenmod/power/IPerformanceManager.aidl

@@ -26,4 +26,6 @@ interface IPerformanceManager {
     int getPowerProfile();
 
     int getNumberOfProfiles();
+
+    boolean getProfileHasAppProfiles(int profile);
 }

src/java/cyanogenmod/power/PerformanceManager.java

@@ -178,4 +178,23 @@ public class PerformanceManager {
         }
         return ret;
     }
+
+    /**
+     * Check if profile has app-specific profiles
+     *
+     * Returns true if profile has app-specific profiles.
+     */
+    public boolean getProfileHasAppProfiles(int profile) {
+        boolean ret = false;
+        if (mNumberOfProfiles > 0) {
+            try {
+                if (checkService()) {
+                    ret = sService.getProfileHasAppProfiles(profile);
+                }
+            } catch (RemoteException e) {
+                // nothing
+            }
+        }
+        return ret;
+    }
 }