base: Bump default android version to 7.0.99

base/sys_info_android.cc

Index: base/sys_info_android.cc
diff --git a/base/sys_info_android.cc b/base/sys_info_android.cc
index 447c2498de947eb727e6cefc290e263767bccae1..8b5a9dab6efdcd58c81c197a883d8810f99e30ee 100644
--- a/base/sys_info_android.cc
+++ b/base/sys_info_android.cc
@@ -62,7 +62,7 @@ namespace {
 // cannot be acquired. Use the latest Android release with a higher bug fix
 // version to avoid unnecessarily comparison errors with the latest release.
 // This should be manually kept up to date on each Android release.
-const int kDefaultAndroidMajorVersion = 6;
+const int kDefaultAndroidMajorVersion = 7;
 const int kDefaultAndroidMinorVersion = 0;
 const int kDefaultAndroidBugfixVersion = 99;