Remove unused libhardware dependency from libnativewindow

libnativewindow only uses the android.hardware.graphics.common AIDL
dependency.

Bug: 155235859
Test: m -j
Change-Id: I42b26c58ffcf0f19b78794e06449f60fb12d2ca6
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index 55400c7..5baec2f 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -59,7 +59,6 @@
     ],
 
     shared_libs: [
-        "libhardware",
         "libcutils",
         "liblog",
         "libutils",