libbinder: uptimeMillis returns int64_t!

This was limiting device uptime to ~1 month. Certainly, devices should
update more frequently, but that decision should not be because of
ubsan!

This is a partial copy of the change
Ifa00c32ee184795b03e16b39ac70ff41ebf00331 here.

Bug: 197336441
Test: TH
Merged-In: Ifa00c32ee184795b03e16b39ac70ff41ebf00331
Change-Id: Ib9f3e63e968ac77f0f6ea6447d586db588e9dbe4
(cherry picked from commit 3ba4963f5baf1c9a3a461f1c6a0caa7fb65aa6db)
diff --git a/libs/binder/IServiceManager.cpp b/libs/binder/IServiceManager.cpp
index 4ba6c2a..8cd2d45 100644
--- a/libs/binder/IServiceManager.cpp
+++ b/libs/binder/IServiceManager.cpp
@@ -147,7 +147,8 @@
 
         const bool isVendorService =
             strcmp(ProcessState::self()->getDriverName().c_str(), "/dev/vndbinder") == 0;
-        const long timeout = uptimeMillis() + 5000;
+        const long timeout = 5000;
+        int64_t startTime = uptimeMillis();
         if (!gSystemBootCompleted && !isVendorService) {
             // Vendor code can't access system properties
             char bootCompleted[PROPERTY_VALUE_MAX];
@@ -158,7 +159,7 @@
         const long sleepTime = gSystemBootCompleted ? 1000 : 100;
 
         int n = 0;
-        while (uptimeMillis() < timeout) {
+        while (uptimeMillis() - startTime < timeout) {
             n++;
             ALOGI("Waiting for service '%s' on '%s'...", String8(name).string(),
                 ProcessState::self()->getDriverName().c_str());