Do not link mapper libraries statically

Linking them statically prevents the mapper SP HAL from being
extended

Bug: 158465474
Test: local build vts tools.
      Passed on VtsHalGraphicsComposerV2_XTargetTest.
Change-Id: I916b1c042b1e81e53f7398cd4a1a2231469ea91f
diff --git a/graphics/composer/2.2/vts/functional/Android.bp b/graphics/composer/2.2/vts/functional/Android.bp
index e1a254d..d80845f 100644
--- a/graphics/composer/2.2/vts/functional/Android.bp
+++ b/graphics/composer/2.2/vts/functional/Android.bp
@@ -33,6 +33,10 @@
         "libprocessgroup",
         "libsync",
         "libui",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@2.1",
+        "android.hardware.graphics.mapper@3.0",
+        "android.hardware.graphics.mapper@4.0",
     ],
     static_libs: [
         "android.hardware.graphics.allocator@2.0",
@@ -43,13 +47,9 @@
         "android.hardware.graphics.composer@2.1-vts",
         "android.hardware.graphics.composer@2.2",
         "android.hardware.graphics.composer@2.2-vts",
-        "android.hardware.graphics.mapper@2.0",
         "android.hardware.graphics.mapper@2.0-vts",
-        "android.hardware.graphics.mapper@2.1",
         "android.hardware.graphics.mapper@2.1-vts",
-        "android.hardware.graphics.mapper@3.0",
         "android.hardware.graphics.mapper@3.0-vts",
-        "android.hardware.graphics.mapper@4.0",
         "android.hardware.graphics.mapper@4.0-vts",
         "libgtest",
         "librenderengine",