Remove .(ll)ndk suffix from (ll)ndk_library

Soong handles these automatically now.

Bug: 33241851
Test: Android-aosp_arm.mk is the same before/after
Test: build.ninja is the same before/after
Test: build-aosp_arm.ninja is the same before/after
Change-Id: I5a16edfb57ca9d3059cdef0a57c7c79e614878fe
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index 90fb4b6..6c8221d 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -21,7 +21,7 @@
 }
 
 ndk_library {
-    name: "libnativewindow.ndk",
+    name: "libnativewindow",
     symbol_file: "libnativewindow.map.txt",
 
     // Android O