audio: use binder threadpool am: d90c47420a am: 142ba0857b

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1986309

Change-Id: I8e1412c89505beefb28523bf938d69be9970d367
diff --git a/audio/common/all-versions/default/service/Android.bp b/audio/common/all-versions/default/service/Android.bp
index 1bd6abe..9890be2 100644
--- a/audio/common/all-versions/default/service/Android.bp
+++ b/audio/common/all-versions/default/service/Android.bp
@@ -52,6 +52,7 @@
     shared_libs: [
         "libcutils",
         "libbinder",
+        "libbinder_ndk",
         "libhidlbase",
         "liblog",
         "libutils",
diff --git a/audio/common/all-versions/default/service/service.cpp b/audio/common/all-versions/default/service/service.cpp
index e26369f..3472af1 100644
--- a/audio/common/all-versions/default/service/service.cpp
+++ b/audio/common/all-versions/default/service/service.cpp
@@ -20,6 +20,7 @@
 #include <string>
 #include <vector>
 
+#include <android/binder_process.h>
 #include <binder/ProcessState.h>
 #include <cutils/properties.h>
 #include <hidl/HidlTransportSupport.h>
@@ -52,6 +53,9 @@
     // start a threadpool for vndbinder interactions
     ::android::ProcessState::self()->startThreadPool();
 
+    ABinderProcess_setThreadPoolMaxThreadCount(1);
+    ABinderProcess_startThreadPool();
+
     const int32_t defaultValue = -1;
     int32_t value =
         property_get_int32("persist.vendor.audio.service.hwbinder.size_kbyte", defaultValue);