libinput: use libkernelconfigs insteadof libvintf

We'd like to limit the direct usage of libvintf.

Bug: 270169217
Test: atest libinput_tests
Change-Id: I7630116345e1db736a8173467fc865cea6ec4e96
diff --git a/libs/input/Android.bp b/libs/input/Android.bp
index dd8dc8d..b74c3b2 100644
--- a/libs/input/Android.bp
+++ b/libs/input/Android.bp
@@ -220,7 +220,7 @@
         "libPlatformProperties",
         "libtinyxml2",
         "libutils",
-        "libvintf",
+        "libz", // needed by libkernelconfigs
         "server_configurable_flags",
     ],
 
@@ -239,6 +239,7 @@
         "libgui_window_info_static",
         "libui-types",
         "libtflite_static",
+        "libkernelconfigs",
     ],
 
     whole_static_libs: [
diff --git a/libs/input/KeyLayoutMap.cpp b/libs/input/KeyLayoutMap.cpp
index 3c1ae3e..ab8c341 100644
--- a/libs/input/KeyLayoutMap.cpp
+++ b/libs/input/KeyLayoutMap.cpp
@@ -27,8 +27,7 @@
 #include <utils/Timers.h>
 #include <utils/Tokenizer.h>
 #if defined(__ANDROID__)
-#include <vintf/RuntimeInfo.h>
-#include <vintf/VintfObject.h>
+#include <vintf/KernelConfigs.h>
 #endif
 
 #include <cstdlib>
@@ -98,12 +97,10 @@
 
 bool kernelConfigsArePresent(const std::set<std::string>& configs) {
 #if defined(__ANDROID__)
-    std::shared_ptr<const android::vintf::RuntimeInfo> runtimeInfo =
-            android::vintf::VintfObject::GetInstance()->getRuntimeInfo(
-                    vintf::RuntimeInfo::FetchFlag::CONFIG_GZ);
-    LOG_ALWAYS_FATAL_IF(runtimeInfo == nullptr, "Kernel configs could not be fetched");
+    std::map<std::string, std::string> kernelConfigs;
+    const status_t result = android::kernelconfigs::LoadKernelConfigs(&kernelConfigs);
+    LOG_ALWAYS_FATAL_IF(result != OK, "Kernel configs could not be fetched");
 
-    const std::map<std::string, std::string>& kernelConfigs = runtimeInfo->kernelConfigs();
     for (const std::string& requiredConfig : configs) {
         const auto configIt = kernelConfigs.find(requiredConfig);
         if (configIt == kernelConfigs.end()) {
diff --git a/libs/input/tests/Android.bp b/libs/input/tests/Android.bp
index 138898f..13cfb49 100644
--- a/libs/input/tests/Android.bp
+++ b/libs/input/tests/Android.bp
@@ -36,8 +36,10 @@
         "libgmock",
         "libgui_window_info_static",
         "libinput",
+        "libkernelconfigs",
         "libtflite_static",
         "libui-types",
+        "libz", // needed by libkernelconfigs
     ],
     cflags: [
         "-Wall",
@@ -61,7 +63,6 @@
         "libPlatformProperties",
         "libtinyxml2",
         "libutils",
-        "libvintf",
         "server_configurable_flags",
     ],
     data: [