Have bit grant permissions to installed APKs.

Otherwise unit tests fail spectacularly when they don't get the
runtime permissions that they expect.

Bug: 63391323
Test: bit FrameworksServicesTests:com.android.server.NetworkPolicyManagerServiceTest
Change-Id: I5307e0456865387ac14178268f543e2007b97096

tools/bit/main.cpp

@@ -731,7 +731,7 @@ run_phases(vector<Target*> targets, const Options& options)
             InstallApk& apk = installApks[i];
             if (!apk.file.fileInfo.exists || apk.file.HasChanged()) {
                 // It didn't exist before or it changed, so int needs install
-                err = run_adb("install", "-r", apk.file.filename.c_str(), NULL);
+                err = run_adb("install", "-r", "-g", apk.file.filename.c_str(), NULL);
                 check_error(err);
                 apk.installed = true;
             } else {