msm8953-common: Add DTV Support

- Add hidl to manifest
- Fix Sepolicy
- Add proper permissions for /dev/isdbt

manifest.xml

@@ -642,4 +642,13 @@
             <instance>default</instance>
         </interface>
     </hal>
+    <hal format="hidl">
+        <name>motorola.hardware.tv</name>
+        <transport>hwbinder</transport>
+        <version>1.0</version>
+        <interface>
+            <name>IDTVHW</name>
+            <instance>default</instance>
+        </interface>
+    </hal>
 </manifest>