[Android Crash Reporting] Simplify crash report upload code.

chrome/android/java_sources.gni

Index: chrome/android/java_sources.gni
diff --git a/chrome/android/java_sources.gni b/chrome/android/java_sources.gni
index 8c8e7e5c65f31bd735407b50e3c9dd90f182cdb0..bdd632d811f955d6899c48713f1ab043b90887ba 100644
--- a/chrome/android/java_sources.gni
+++ b/chrome/android/java_sources.gni
@@ -254,11 +254,9 @@ chrome_java_sources = [
   "java/src/org/chromium/chrome/browser/contextualsearch/TapSuppressionHeuristics.java",
   "java/src/org/chromium/chrome/browser/cookies/CanonicalCookie.java",
   "java/src/org/chromium/chrome/browser/cookies/CookiesFetcher.java",
-  "java/src/org/chromium/chrome/browser/crash/LogcatExtractionCallable.java",
-  "java/src/org/chromium/chrome/browser/crash/LogcatExtractionService.java",
+  "java/src/org/chromium/chrome/browser/crash/LogcatExtractionRunnable.java",
   "java/src/org/chromium/chrome/browser/crash/MinidumpDirectoryObserver.java",
-  "java/src/org/chromium/chrome/browser/crash/MinidumpPreparationCallable.java",
-  "java/src/org/chromium/chrome/browser/crash/MinidumpPreparationService.java",
+  "java/src/org/chromium/chrome/browser/crash/MinidumpLogcatPrepender.java",
   "java/src/org/chromium/chrome/browser/crash/MinidumpUploadRetry.java",
   "java/src/org/chromium/chrome/browser/crash/MinidumpUploadService.java",
   "java/src/org/chromium/chrome/browser/customtabs/ClientManager.java",
@@ -1272,7 +1270,7 @@ chrome_test_java_sources = [
   "javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchRequestTest.java",
   "javatests/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchTapEventTest.java",
   "javatests/src/org/chromium/chrome/browser/contextualsearch/MockContextualSearchPolicy.java",
-  "javatests/src/org/chromium/chrome/browser/crash/LogcatExtractionCallableTest.java",
+  "javatests/src/org/chromium/chrome/browser/crash/LogcatExtractionRunnableTest.java",
   "javatests/src/org/chromium/chrome/browser/crash/MinidumpUploadServiceTest.java",
   "javatests/src/org/chromium/chrome/browser/customtabs/ClientManagerTest.java",
   "javatests/src/org/chromium/chrome/browser/customtabs/CustomTabActivityTest.java",
@@ -1561,7 +1559,7 @@ chrome_junit_test_java_sources = [
   "junit/src/org/chromium/chrome/browser/compositor/overlays/strip/StripLayoutHelperTest.java",
   "junit/src/org/chromium/chrome/browser/contextualsearch/ContextualSearchSelectionControllerTest.java",
   "junit/src/org/chromium/chrome/browser/cookies/CanonicalCookieTest.java",
-  "junit/src/org/chromium/chrome/browser/crash/LogcatExtractionCallableUnitTest.java",
+  "junit/src/org/chromium/chrome/browser/crash/LogcatExtractionRunnableUnitTest.java",
   "junit/src/org/chromium/chrome/browser/download/DownloadSharedPreferenceEntryTest.java",
   "junit/src/org/chromium/chrome/browser/externalauth/ExternalAuthUtilsTest.java",
   "junit/src/org/chromium/chrome/browser/firstrun/FirstRunFlowSequencerTest.java",