[Ravenwood] Always provide main thread

It is very difficult for test owners to know whether a main thread is
actually required. Besides, the Ravenwood environment itself relies on a
main thread.

Flag: EXEMPT host test change only
Bug: 292141694
Test: $ANDROID_BUILD_TOP/frameworks/base/ravenwood/scripts/run-ravenwood-tests.sh
Change-Id: I88ed44f00ce6295dcb14619428a2c7a4bea0bbdb

1 files changed, 5 insertions, 12 deletions

diff --git a/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java b/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java
index 24950e65c174..afa7a6c51abb 100644
--- a/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java
+++ b/ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodRuntimeEnvironmentController.java
@@ -225,14 +225,9 @@ public class RavenwoodRuntimeEnvironmentController {
 
         ActivityManager.init$ravenwood(config.mCurrentUser);
 
-        final HandlerThread main;
-        if (config.mProvideMainThread) {
-            main = new HandlerThread(MAIN_THREAD_NAME);
-            main.start();
-            Looper.setMainLooperForTest(main.getLooper());
-        } else {
-            main = null;
-        }
+        final var main = new HandlerThread(MAIN_THREAD_NAME);
+        main.start();
+        Looper.setMainLooperForTest(main.getLooper());
 
         final boolean isSelfInstrumenting =
                 Objects.equals(config.mTestPackageName, config.mTargetPackageName);
@@ -324,10 +319,8 @@ public class RavenwoodRuntimeEnvironmentController {
         }
         sMockUiAutomation.dropShellPermissionIdentity();
 
-        if (config.mProvideMainThread) {
-            Looper.getMainLooper().quit();
-            Looper.clearMainLooperForTest();
-        }
+        Looper.getMainLooper().quit();
+        Looper.clearMainLooperForTest();
 
         ActivityManager.reset$ravenwood();