hal: Fixes for initalizing audio_extn features

1) Fixes for initializing audio_extn features such as speaker_prot,
fm,etc.
2) Runtime detection using vndk_fwkdetect lib has been
changed to dynamic loading instead of static linking

Change-Id: I4deef5e9ffefc17e427ecf5a271ed7bcd18dbb0f
diff --git a/hal/audio_extn/Android.mk b/hal/audio_extn/Android.mk
index 57ce7a1..3f341b1 100644
--- a/hal/audio_extn/Android.mk
+++ b/hal/audio_extn/Android.mk
@@ -373,8 +373,7 @@
     libtinycompress \
     libaudioroute \
     libdl \
-    libexpat \
-    libqti_vndfwk_detect
+    libexpat
 
 LOCAL_C_INCLUDES := \
     $(PRIMARY_HAL_PATH) \