Clean up TODOs

Squeegee supports Android now, so I'm cleaning up my TODOs.

Bug: 144458917
Bug: 144775286
Test: Only changes to comments

Change-Id: Ifd9907ba944759d4d5b36bce92f6bd11b5bb74e7
(cherry picked from commit 1ab3554868)

automotive/can/1.0/default/CanBus.cpp

@@ -226,7 +226,6 @@ bool CanBus::down() {
  * \param flag bool object from CanMessage object
  */
 static bool satisfiesFilterFlag(FilterFlag filterFlag, bool flag) {
-    // TODO(b/144458917) add testing for this to VTS tests
     if (filterFlag == FilterFlag::DONT_CARE) return true;
     if (filterFlag == FilterFlag::SET) return flag;
     if (filterFlag == FilterFlag::NOT_SET) return !flag;
@@ -302,7 +301,6 @@ void CanBus::onRead(const struct canfd_frame& frame, std::chrono::nanoseconds ti
     if ((frame.can_id & CAN_ERR_FLAG) != 0) {
         // error bit is set
         LOG(WARNING) << "CAN Error frame received";
-        // TODO(b/144458917) consider providing different values for isFatal, depending on error
         notifyErrorListeners(parseErrorFrame(frame), false);
         return;
     }

automotive/can/1.0/default/CanBusSlcan.cpp

@@ -133,7 +133,7 @@ ICanController::Result CanBusSlcan::preUp() {
         return ICanController::Result::UNKNOWN_ERROR;
     }
 
-    // set open flag TODO: also support listen only
+    // TODO(b/144775286): set open flag & support listen only
     if (write(mFd.get(), slcanprotocol::kOpenCommand.c_str(),
               slcanprotocol::kOpenCommand.length()) <= 0) {
         LOG(ERROR) << "Failed to set open flag: " << strerror(errno);