audio: Centralize audio configuration paths specification

The list of possible paths for the audio configuration
files is now retrieved using audio_get_configuration_paths()
function. All duplicated lists of known configuration
directories have been removed.

Bug: 153680356
Test: test audio on built image working
      atest VtsHalAudioV6_0TargetTest VtsHalAudioPolicyV6_0TargetTest
Change-Id: I8c369442f5ca7baa17df95e6a001396fc9de5681
Merged-In: I8c369442f5ca7baa17df95e6a001396fc9de5681
diff --git a/media/libeffects/config/Android.bp b/media/libeffects/config/Android.bp
index 8476f82..8493e30 100644
--- a/media/libeffects/config/Android.bp
+++ b/media/libeffects/config/Android.bp
@@ -15,6 +15,7 @@
         "libtinyxml2",
         "libutils",
         "libmedia_helper",
+        "libcutils",
     ],
 
     header_libs: ["libaudio_system_headers"],
diff --git a/media/libeffects/config/include/media/EffectsConfig.h b/media/libeffects/config/include/media/EffectsConfig.h
index ef10e0d..57d4dd7 100644
--- a/media/libeffects/config/include/media/EffectsConfig.h
+++ b/media/libeffects/config/include/media/EffectsConfig.h
@@ -35,11 +35,6 @@
 /** Default path of effect configuration file. Relative to DEFAULT_LOCATIONS. */
 constexpr const char* DEFAULT_NAME = "audio_effects.xml";
 
-/** Default path of effect configuration file.
- * The /vendor partition is the recommended one, the others are deprecated.
- */
-constexpr const char* DEFAULT_LOCATIONS[] = {"/odm/etc", "/vendor/etc", "/system/etc"};
-
 /** Directories where the effect libraries will be search for. */
 constexpr const char* LD_EFFECT_LIBRARY_PATH[] =
 #ifdef __LP64__
diff --git a/media/libeffects/config/src/EffectsConfig.cpp b/media/libeffects/config/src/EffectsConfig.cpp
index 85fbf11..26eaaf8 100644
--- a/media/libeffects/config/src/EffectsConfig.cpp
+++ b/media/libeffects/config/src/EffectsConfig.cpp
@@ -27,6 +27,7 @@
 
 #include <media/EffectsConfig.h>
 #include <media/TypeConverter.h>
+#include <system/audio_config.h>
 
 using namespace tinyxml2;
 
@@ -338,7 +339,7 @@
         return parseWithPath(path);
     }
 
-    for (const std::string& location : DEFAULT_LOCATIONS) {
+    for (const std::string& location : audio_get_configuration_paths()) {
         std::string defaultPath = location + '/' + DEFAULT_NAME;
         if (access(defaultPath.c_str(), R_OK) != 0) {
             continue;