Build all of libinput for linux host.

Including enabling parcel-related code in source already building for
host.

Test: m libandroid_runtime
Change-Id: Ia569e5158ba6ead28486069036f6a3595662bbf8
diff --git a/libs/input/Input.cpp b/libs/input/Input.cpp
index fb2f186..f3b8832 100644
--- a/libs/input/Input.cpp
+++ b/libs/input/Input.cpp
@@ -26,8 +26,8 @@
 #include <input/InputDevice.h>
 #include <input/InputEventLabels.h>
 
-#ifdef __ANDROID__
 #include <binder/Parcel.h>
+#ifdef __ANDROID__
 #include <sys/random.h>
 #endif
 
@@ -250,7 +250,6 @@
     setAxisValue(AMOTION_EVENT_AXIS_Y, getY() + yOffset);
 }
 
-#ifdef __ANDROID__
 status_t PointerCoords::readFromParcel(Parcel* parcel) {
     bits = parcel->readInt64();
 
@@ -274,7 +273,6 @@
     }
     return OK;
 }
-#endif
 
 void PointerCoords::tooManyAxes(int axis) {
     ALOGW("Could not set value for axis %d because the PointerCoords structure is full and "
@@ -536,7 +534,6 @@
     }
 }
 
-#ifdef __ANDROID__
 static status_t readFromParcel(ui::Transform& transform, const Parcel& parcel) {
     float dsdx, dtdx, tx, dtdy, dsdy, ty;
     status_t status = parcel.readFloat(&dsdx);
@@ -673,7 +670,6 @@
     }
     return OK;
 }
-#endif
 
 bool MotionEvent::isTouchEvent(uint32_t source, int32_t action) {
     if (source & AINPUT_SOURCE_CLASS_POINTER) {