Change searchui sdk target to current / remove android library gradle rule

Change-Id: I286252ab708eb98d785389b2de7c78a44ce82208
diff --git a/searchuilib/Android.bp b/searchuilib/Android.bp
index c01c710..69695c6 100644
--- a/searchuilib/Android.bp
+++ b/searchuilib/Android.bp
@@ -15,8 +15,8 @@
 android_library {
     name: "search_ui",
 
-    sdk_version: "system_current",
-    min_sdk_version: "system_current",
+    sdk_version: "current",
+    min_sdk_version: "current",
 
     srcs: [
         "src/**/*.java",
diff --git a/searchuilib/build.gradle b/searchuilib/build.gradle
index 4f372e3..9e7bc10 100644
--- a/searchuilib/build.gradle
+++ b/searchuilib/build.gradle
@@ -1,5 +1,3 @@
-apply plugin: 'com.android.library'
-
 android {
     compileSdkVersion COMPILE_SDK
     buildToolsVersion BUILD_TOOLS_VERSION