[Cleanup] Properly export lib headers.

Properly export lib headers to avoid copying everything when upgrade composer
version. Minor: Remove VTS team as OWNERS of non-VTS directory.

BUG: 135929065
Test: build and boot
Change-Id: I4c3544490fcf043ff6bda2312a00aed015d0d5fc
diff --git a/graphics/composer/2.1/utils/vts/Android.bp b/graphics/composer/2.1/utils/vts/Android.bp
index fcb327f..88b1a8b 100644
--- a/graphics/composer/2.1/utils/vts/Android.bp
+++ b/graphics/composer/2.1/utils/vts/Android.bp
@@ -28,9 +28,18 @@
         "android.hardware.graphics.mapper@2.0-vts",
         "android.hardware.graphics.mapper@3.0-vts",
     ],
+    export_static_lib_headers: [
+        "VtsHalHidlTargetTestBase",
+        "android.hardware.graphics.composer@2.1",
+        "android.hardware.graphics.mapper@2.0-vts",
+        "android.hardware.graphics.mapper@3.0-vts",
+    ],
     header_libs: [
         "android.hardware.graphics.composer@2.1-command-buffer",
     ],
+    export_header_lib_headers: [
+        "android.hardware.graphics.composer@2.1-command-buffer",
+    ],
     cflags: [
         "-O0",
         "-g",