Rebaseline for findbugs for Android.

BUG=418549
NOTRY=true

Review URL: https://codereview.chromium.org/611013002

Cr-Commit-Position: refs/heads/master@{#297165}

build/android/findbugs_filter/findbugs_known_bugs.txt

@@ -17,8 +17,5 @@ M M UG: org.chromium.content.browser.JavaBridgeReturnValuesTest$TestObject.getBo
 M M UG: org.chromium.content.browser.JavaBridgeReturnValuesTest$TestObject.getStringValue() is unsynchronized, org.chromium.content.browser.JavaBridgeReturnValuesTest$TestObject.setStringValue(String) is synchronized  At JavaBridgeReturnValuesTest.java
 M V EI2: org.chromium.chrome.browser.ChromeBrowserProvider$BookmarkNode.setFavicon(byte[]) may expose internal representation by storing an externally mutable object into ChromeBrowserProvider$BookmarkNode.mFavicon  At ChromeBrowserProvider.java
 M V EI2: org.chromium.chrome.browser.ChromeBrowserProvider$BookmarkNode.setThumbnail(byte[]) may expose internal representation by storing an externally mutable object into ChromeBrowserProvider$BookmarkNode.mThumbnail  At ChromeBrowserProvider.java
-M V EI: org.chromium.chrome.browser.ChromeBrowserProvider$BookmarkNode.favicon() may expose internal representation by returning ChromeBrowserProvider$BookmarkNode.mFavicon  At ChromeBrowserProvider.java
-M V EI: org.chromium.chrome.browser.ChromeBrowserProvider$BookmarkNode.thumbnail() may expose internal representation by returning ChromeBrowserProvider$BookmarkNode.mThumbnail  At ChromeBrowserProvider.java
-M M LI: Incorrect lazy initialization of static field org.chromium.chrome.browser.sync.ProfileSyncService.sSyncSetupManager in org.chromium.chrome.browser.sync.ProfileSyncService.get(Context)  At ProfileSyncService.java
 M V EI2: org.chromium.content_public.browser.LoadUrlParams.setPostData(byte[]) may expose internal representation by storing an externally mutable object into LoadUrlParams.mPostData  At LoadUrlParams.java
-M V EI: org.chromium.content_public.browser.LoadUrlParams.getPostData() may expose internal representation by returning LoadUrlParams.mPostData  At LoadUrlParams.java
+M M MWN: Mismatched wait() in org.chromium.content.common.CleanupReference$1.run()  At CleanupReference.java