Reformat Android.bp file

This commit replaces `=` with `:`, which is more idiomatic.  Besides,
this commit adds a space character after the colon and add a comma at
the end of the list.

Test: aosp_sailfish-userdebug builds
Change-Id: I861e0201c3f894c1004f758855ebfaa64bfff05c
diff --git a/NativeCode.bp b/NativeCode.bp
index 22c9ff9..3780e7d 100644
--- a/NativeCode.bp
+++ b/NativeCode.bp
@@ -27,7 +27,7 @@
         "-Wextra",
         "-Werror",
     ],
-    cppflags = ["-DU_USING_ICU_NAMESPACE=0"],
+    cppflags: ["-DU_USING_ICU_NAMESPACE=0"],
 
     target: {
         darwin: {
@@ -57,7 +57,7 @@
     ],
     srcs: [
         ":luni_native_srcs",
-        "dalvik/src/main/native/org_apache_harmony_dalvik_NativeTestTarget.cpp"
+        "dalvik/src/main/native/org_apache_harmony_dalvik_NativeTestTarget.cpp",
     ],
 
     shared_libs: [
@@ -147,7 +147,7 @@
 cc_library_shared {
     name: "libjavacoretests",
     defaults: ["core_native_default_flags"],
-    host_supported:true,
+    host_supported: true,
 
     srcs: [
         "luni/src/test/native/libcore_dalvik_system_JniTest.cpp",