SoundTrigger API improvements.

This CL implements the SoundTrigger API improvements as given in b/22860713. Only the java-level
parts are implemented in this CL.

Key changes include:

* Addition of a SoundTriggerManager/SoundTriggerDetector system API to manage
  the sound-trigger based sound models.
* Addition of a SoundTriggerService service that manages all sound models
  including voice (keyphrase) and sound-trigger based models.
* Includes logic to write sound-trigger based models to the database.
* VoiceInteractionManager service now uses SoundTriggerService instead of
  SoundTriggerHelper.

Bug: 22860713
Change-Id: I7b5c0ed80702527c4460372efeb5e542d3693a69
diff --git a/tests/SoundTriggerTestApp/AndroidManifest.xml b/tests/SoundTriggerTestApp/AndroidManifest.xml
new file mode 100644
index 0000000..40619da
--- /dev/null
+++ b/tests/SoundTriggerTestApp/AndroidManifest.xml
@@ -0,0 +1,17 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+        package="com.android.test.soundtrigger">
+
+    <uses-permission android:name="android.permission.MANAGE_SOUND_TRIGGER" />
+    <application
+         android:permission="android.permission.MANAGE_SOUND_TRIGGER">
+        <activity
+            android:name="TestSoundTriggerActivity"
+            android:label="SoundTrigger Test Application"
+            android:theme="@android:style/Theme.Material.Light.Voice">
+            <intent-filter>
+                <action android:name="com.android.intent.action.MANAGE_SOUND_TRIGGER" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>