audiopolicy: Convert some of .mk files to .bp files

- Renamed libaudiopolicyengineconfig to libaudiopolicyengine_config
  in order to match names libaudiopolicyengine_{common|interface}.

- Made libaudiopolicyengine_config static to avoid .so overhead.

- Added a cleanspec for it.

- Added libaudiopolicyengine_common which includes source files
  previously included directly into engineconfigurable and
  enginedefault libraries.

Bug: 121208203
Test: make & flash crosshatch
Change-Id: If3b7b89fcbd5752ddfdeca6c164a88f55bc35811
diff --git a/services/audiopolicy/engine/config/Android.bp b/services/audiopolicy/engine/config/Android.bp
new file mode 100644
index 0000000..6e72f2a
--- /dev/null
+++ b/services/audiopolicy/engine/config/Android.bp
@@ -0,0 +1,31 @@
+cc_library_static {
+    name: "libaudiopolicyengine_config",
+    export_include_dirs: ["include"],
+    include_dirs: [
+        "external/libxml2/include",
+        "external/icu/icu4c/source/common",
+    ],
+    srcs: [
+        "src/EngineConfig.cpp",
+    ],
+    cflags: [
+        "-Wall",
+        "-Werror",
+        "-Wextra",
+    ],
+    shared_libs: [
+        "libmedia_helper",
+        "libandroidicu",
+        "libxml2",
+        "libutils",
+        "liblog",
+        "libcutils",
+    ],
+    static_libs: [
+        "libaudiopolicycomponents",
+    ],
+    header_libs: [
+        "libaudio_system_headers",
+        "libaudiopolicycommon",
+    ],
+}
diff --git a/services/audiopolicy/engine/config/Android.mk b/services/audiopolicy/engine/config/Android.mk
deleted file mode 100644
index 0b292a5..0000000
--- a/services/audiopolicy/engine/config/Android.mk
+++ /dev/null
@@ -1,42 +0,0 @@
-LOCAL_PATH := $(call my-dir)
-
-##################################################################
-# Component build
-##################################################################
-
-include $(CLEAR_VARS)
-
-LOCAL_EXPORT_C_INCLUDE_DIRS :=  $(LOCAL_PATH)/include
-
-LOCAL_C_INCLUDES := \
-    $(LOCAL_EXPORT_C_INCLUDE_DIRS) \
-    external/libxml2/include \
-    external/icu/icu4c/source/common
-
-LOCAL_SRC_FILES := \
-    src/EngineConfig.cpp
-
-LOCAL_CFLAGS += -Wall -Werror -Wextra
-
-LOCAL_SHARED_LIBRARIES := \
-    libmedia_helper \
-    libandroidicu \
-    libxml2 \
-    libutils \
-    liblog \
-    libcutils
-
-LOCAL_STATIC_LIBRARIES := \
-    libaudiopolicycomponents
-
-LOCAL_MULTILIB := $(AUDIOSERVER_MULTILIB)
-
-LOCAL_MODULE := libaudiopolicyengineconfig
-LOCAL_MODULE_TAGS := optional
-
-LOCAL_HEADER_LIBRARIES := \
-    libaudio_system_headers \
-    libaudiopolicycommon
-
-include $(BUILD_SHARED_LIBRARY)
-