Android: Fix memory leak in ChipDnssdStopBrowse - Addressed comment b…

…y bzbarsky-apple

src/platform/android/DnssdImpl.cpp

@@ -224,6 +224,7 @@ CHIP_ERROR ChipDnssdStopBrowse(intptr_t browseIdentifier)
         ChipLogError(Discovery, "Java exception in ChipDnssdStopBrowse");
         env->ExceptionDescribe();
         env->ExceptionClear();
+        chip::Platform::Delete(ctx);
         return CHIP_JNI_ERROR_EXCEPTION_THROWN;
     }
     chip::Platform::Delete(ctx);