diff --git a/services/vr/hardware_composer/Android.bp b/services/vr/hardware_composer/Android.bp
index d9df204..021d8cb 100644
--- a/services/vr/hardware_composer/Android.bp
+++ b/services/vr/hardware_composer/Android.bp
@@ -1,180 +1,152 @@
 cc_library_shared {
-  name: "libvr_hwc-hal",
+    name: "libvr_hwc-hal",
 
-  srcs: [
-    "impl/vr_hwc.cpp",
-    "impl/vr_composer_client.cpp",
-  ],
+    srcs: [
+        "impl/vr_hwc.cpp",
+        "impl/vr_composer_client.cpp",
+    ],
 
-  static_libs: [
-    "libbroadcastring",
-    "libdisplay",
-  ],
+    static_libs: [
+        "libbroadcastring",
+        "libdisplay",
+    ],
 
-  shared_libs: [
-    "android.frameworks.vr.composer@1.0",
-    "android.hardware.graphics.composer@2.1",
-    "android.hardware.graphics.mapper@2.0",
-    "android.hardware.graphics.mapper@3.0",
-    "libbase",
-    "libbufferhubqueue",
-    "libbinder",
-    "libcutils",
-    "libfmq",
-    "libhardware",
-    "libhidlbase",
-    "libhidltransport",
-    "liblog",
-    "libsync",
-    "libui",
-    "libutils",
-    "libpdx_default_transport",
-  ],
+    shared_libs: [
+        "android.frameworks.vr.composer@1.0",
+        "android.hardware.graphics.composer@2.1",
+        "android.hardware.graphics.mapper@2.0",
+        "android.hardware.graphics.mapper@3.0",
+        "libbase",
+        "libbufferhubqueue",
+        "libbinder",
+        "libcutils",
+        "libfmq",
+        "libhardware",
+        "libhidlbase",
+        "libhidltransport",
+        "liblog",
+        "libsync",
+        "libui",
+        "libutils",
+        "libpdx_default_transport",
+    ],
 
-  header_libs: [
-    "android.hardware.graphics.composer@2.1-command-buffer",
-    "android.hardware.graphics.composer@2.1-hal",
-  ],
+    header_libs: [
+        "android.hardware.graphics.composer@2.1-command-buffer",
+        "android.hardware.graphics.composer@2.1-hal",
+    ],
 
-  export_header_lib_headers: [
-    "android.hardware.graphics.composer@2.1-hal",
-  ],
+    export_header_lib_headers: [
+        "android.hardware.graphics.composer@2.1-hal",
+    ],
 
-  export_static_lib_headers: [
-    "libdisplay",
-  ],
+    export_static_lib_headers: [
+        "libdisplay",
+    ],
 
-  export_shared_lib_headers: [
-    "android.frameworks.vr.composer@1.0",
-    "android.hardware.graphics.composer@2.1",
-  ],
+    export_shared_lib_headers: [
+        "android.frameworks.vr.composer@1.0",
+        "android.hardware.graphics.composer@2.1",
+    ],
 
-  export_include_dirs: ["."],
+    export_include_dirs: ["."],
 
-  cflags: [
-    "-DLOG_TAG=\"vr_hwc\"",
-    "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
-    "-Wall",
-    "-Werror",
-    "-Wno-error=unused-private-field",
-    // Warnings in vr_hwc.cpp to be fixed after sync of goog/master.
-    "-Wno-sign-compare",
-    "-Wno-unused-parameter",
-  ],
+    cflags: [
+        "-DLOG_TAG=\"vr_hwc\"",
+        "-DATRACE_TAG=ATRACE_TAG_GRAPHICS",
+        "-Wall",
+        "-Werror",
+        "-Wno-error=unused-private-field",
+        // Warnings in vr_hwc.cpp to be fixed after sync of goog/master.
+        "-Wno-sign-compare",
+        "-Wno-unused-parameter",
+    ],
 
 }
 
 cc_library_static {
-  name: "libvr_hwc-binder",
-  srcs: [
-    "aidl/android/dvr/IVrComposer.aidl",
-    "aidl/android/dvr/IVrComposerCallback.aidl",
-    "aidl/android/dvr/parcelable_composer_frame.cpp",
-    "aidl/android/dvr/parcelable_composer_layer.cpp",
-    "aidl/android/dvr/parcelable_unique_fd.cpp",
-  ],
-  aidl: {
-    include_dirs: ["frameworks/native/services/vr/hardware_composer/aidl"],
-    export_aidl_headers: true,
-  },
-  export_include_dirs: ["aidl"],
-
-  cflags: [
-    "-Wall",
-    "-Werror",
-  ],
-
-  shared_libs: [
-    "libbinder",
-    "libui",
-    "libutils",
-    "libvr_hwc-hal",
-  ],
-}
-
-cc_library_static {
-  name: "libvr_hwc-impl",
-  srcs: [
-    "vr_composer.cpp",
-  ],
-  static_libs: [
-    "libvr_hwc-binder",
-  ],
-  shared_libs: [
-    "libbase",
-    "libbinder",
-    "liblog",
-    "libui",
-    "libutils",
-    "libvr_hwc-hal",
-  ],
-  export_shared_lib_headers: [
-    "libvr_hwc-hal",
-  ],
-  cflags: [
-    "-DLOG_TAG=\"vr_hwc\"",
-    "-Wall",
-    "-Werror",
-  ],
+    name: "libvr_hwc-impl",
+    srcs: [
+        "vr_composer.cpp",
+    ],
+    static_libs: [
+        "libvr_hwc-binder",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "liblog",
+        "libui",
+        "libutils",
+        "libvr_hwc-hal",
+    ],
+    export_shared_lib_headers: [
+        "libvr_hwc-hal",
+    ],
+    cflags: [
+        "-DLOG_TAG=\"vr_hwc\"",
+        "-Wall",
+        "-Werror",
+    ],
 }
 
 cc_binary {
-  name: "vr_hwc",
-  vintf_fragments: ["manifest_vr_hwc.xml"],
-  srcs: [
-    "vr_hardware_composer_service.cpp"
-  ],
-  static_libs: [
-    "libvr_hwc-impl",
-    // NOTE: This needs to be included after the *-impl lib otherwise the
-    // symbols in the *-binder library get optimized out.
-    "libvr_hwc-binder",
-  ],
-  shared_libs: [
-    "android.frameworks.vr.composer@1.0",
-    "android.hardware.graphics.composer@2.1",
-    "libbase",
-    "libbinder",
-    "liblog",
-    "libhardware",
-    "libhwbinder",
-    "libui",
-    "libutils",
-    "libvr_hwc-hal",
-  ],
-  cflags: [
-    "-DLOG_TAG=\"vr_hwc\"",
-    "-Wall",
-    "-Werror",
-  ],
-  init_rc: [
-    "vr_hwc.rc",
-  ],
+    name: "vr_hwc",
+    vintf_fragments: ["manifest_vr_hwc.xml"],
+    srcs: [
+        "vr_hardware_composer_service.cpp",
+    ],
+    static_libs: [
+        "libvr_hwc-impl",
+        // NOTE: This needs to be included after the *-impl lib otherwise the
+        // symbols in the *-binder library get optimized out.
+        "libvr_hwc-binder",
+    ],
+    shared_libs: [
+        "android.frameworks.vr.composer@1.0",
+        "android.hardware.graphics.composer@2.1",
+        "libbase",
+        "libbinder",
+        "liblog",
+        "libhardware",
+        "libhwbinder",
+        "libui",
+        "libutils",
+        "libvr_hwc-hal",
+    ],
+    cflags: [
+        "-DLOG_TAG=\"vr_hwc\"",
+        "-Wall",
+        "-Werror",
+    ],
+    init_rc: [
+        "vr_hwc.rc",
+    ],
 }
 
 cc_test {
-  name: "vr_hwc_test",
-  gtest: true,
-  srcs: ["tests/vr_composer_test.cpp"],
-  static_libs: [
-    "libgtest",
-    "libvr_hwc-impl",
-    // NOTE: This needs to be included after the *-impl lib otherwise the
-    // symbols in the *-binder library get optimized out.
-    "libvr_hwc-binder",
-  ],
-  cflags: [
-    "-Wall",
-    "-Werror",
-    // warnings in vr_composer_test.cpp to be fixed after merge of goog/master
-    "-Wno-sign-compare",
-    "-Wno-unused-parameter",
-  ],
-  shared_libs: [
-    "libbase",
-    "libbinder",
-    "liblog",
-    "libui",
-    "libutils",
-  ],
+    name: "vr_hwc_test",
+    gtest: true,
+    srcs: ["tests/vr_composer_test.cpp"],
+    static_libs: [
+        "libgtest",
+        "libvr_hwc-impl",
+        // NOTE: This needs to be included after the *-impl lib otherwise the
+        // symbols in the *-binder library get optimized out.
+        "libvr_hwc-binder",
+    ],
+    cflags: [
+        "-Wall",
+        "-Werror",
+        // warnings in vr_composer_test.cpp to be fixed after merge of goog/master
+        "-Wno-sign-compare",
+        "-Wno-unused-parameter",
+    ],
+    shared_libs: [
+        "libbase",
+        "libbinder",
+        "liblog",
+        "libui",
+        "libutils",
+    ],
 }
diff --git a/services/vr/hardware_composer/aidl/Android.bp b/services/vr/hardware_composer/aidl/Android.bp
new file mode 100644
index 0000000..a1d5392
--- /dev/null
+++ b/services/vr/hardware_composer/aidl/Android.bp
@@ -0,0 +1,27 @@
+cc_library_static {
+    name: "libvr_hwc-binder",
+    srcs: [
+        "android/dvr/IVrComposer.aidl",
+        "android/dvr/IVrComposerCallback.aidl",
+        "android/dvr/parcelable_composer_frame.cpp",
+        "android/dvr/parcelable_composer_layer.cpp",
+        "android/dvr/parcelable_unique_fd.cpp",
+    ],
+    aidl: {
+        local_include_dirs: ["."],
+        export_aidl_headers: true,
+    },
+    export_include_dirs: ["."],
+
+    cflags: [
+        "-Wall",
+        "-Werror",
+    ],
+
+    shared_libs: [
+        "libbinder",
+        "libui",
+        "libutils",
+        "libvr_hwc-hal",
+    ],
+}
diff --git a/services/vr/virtual_touchpad/Android.bp b/services/vr/virtual_touchpad/Android.bp
index 131a306..dcaa663 100644
--- a/services/vr/virtual_touchpad/Android.bp
+++ b/services/vr/virtual_touchpad/Android.bp
@@ -62,7 +62,7 @@
 service_src = [
     "main.cpp",
     "VirtualTouchpadService.cpp",
-    "aidl/android/dvr/IVirtualTouchpadService.aidl",
+    ":virtualtouchpad_aidl",
 ]
 
 service_static_libs = [
@@ -99,7 +99,7 @@
 client_src = [
     "VirtualTouchpadClient.cpp",
     "DvrVirtualTouchpadClient.cpp",
-    "aidl/android/dvr/IVirtualTouchpadService.aidl",
+    ":virtualtouchpad_aidl",
 ]
 
 client_shared_libs = [
@@ -122,3 +122,9 @@
     name: "libvirtualtouchpadclient",
     export_include_dirs: ["include"],
 }
+
+filegroup {
+    name: "virtualtouchpad_aidl",
+    srcs: ["aidl/android/dvr/IVirtualTouchpadService.aidl"],
+    path: "aidl",
+}