Fix race condition when clearing cpu info utils in tests

Author: romtsn

sentry-android-core/src/main/java/io/sentry/android/core/internal/util/CpuInfoUtils.java

@@ -75,12 +75,16 @@ String getSystemCpuPath() {
 
   @TestOnly
   public void setCpuMaxFrequencies(List<Integer> frequencies) {
-    cpuMaxFrequenciesMhz.clear();
-    cpuMaxFrequenciesMhz.addAll(frequencies);
+    try (final @NotNull ISentryLifecycleToken ignored = lock.acquire()) {
+      cpuMaxFrequenciesMhz.clear();
+      cpuMaxFrequenciesMhz.addAll(frequencies);
+    }
   }
 
   @TestOnly
-  final void clear() {
-    cpuMaxFrequenciesMhz.clear();
+  public void clear() {
+    try (final @NotNull ISentryLifecycleToken ignored = lock.acquire()) {
+      cpuMaxFrequenciesMhz.clear();
+    }
   }
 }

sentry-android-core/src/test/java/io/sentry/android/core/DefaultAndroidEventProcessorTest.kt

@@ -87,6 +87,7 @@ class DefaultAndroidEventProcessorTest {
     context = ApplicationProvider.getApplicationContext()
     AppState.getInstance().resetInstance()
     DeviceInfoUtil.resetInstance()
+    CpuInfoUtils.getInstance().clear()
   }
 
   @Test