AudioFlinger: Remove conditional effect types

We no longer conditionally compile integer effects.

Test: Compile and check that libaudioflinger.so size does not change.
Bug: 284009360
Change-Id: Ib67fc35ac15858533634b6dc942d5bd8f40574c0
diff --git a/services/audioflinger/Effects.h b/services/audioflinger/Effects.h
index 86eb2ee..57acc67 100644
--- a/services/audioflinger/Effects.h
+++ b/services/audioflinger/Effects.h
@@ -492,14 +492,14 @@
     void setInBuffer(const sp<EffectBufferHalInterface>& buffer) {
         mInBuffer = buffer;
     }
-    effect_buffer_t *inBuffer() const {
-        return mInBuffer != 0 ? reinterpret_cast<effect_buffer_t*>(mInBuffer->ptr()) : NULL;
+    float *inBuffer() const {
+        return mInBuffer != 0 ? reinterpret_cast<float*>(mInBuffer->ptr()) : NULL;
     }
     void setOutBuffer(const sp<EffectBufferHalInterface>& buffer) {
         mOutBuffer = buffer;
     }
-    effect_buffer_t *outBuffer() const {
-        return mOutBuffer != 0 ? reinterpret_cast<effect_buffer_t*>(mOutBuffer->ptr()) : NULL;
+    float *outBuffer() const {
+        return mOutBuffer != 0 ? reinterpret_cast<float*>(mOutBuffer->ptr()) : NULL;
     }
 
     void incTrackCnt() { android_atomic_inc(&mTrackCnt); }