Removes unused code from the SystemServer/Zygote classes.

This patch partially reversts ag/6991475 and ag/7161709.  These changes
are no longer needed due to a change in the graphics driver strategy for
Q.

In addition, the preloading of the graphics driver in the USAPs need to
be removed to avoid causing a memory regression on devices with graphics
driver preloading in the Zygote disabled.

Bug: 134526352
Test: Treehugger
Change-Id: I570037866d1ae90794c711622e6045ebbffa5b9c
Merged-In: I570037866d1ae90794c711622e6045ebbffa5b9c
(cherry picked from commit fcd68fd74b6d2704fc39074f1e177b0c0defc43c)

1 files changed, 2 insertions, 7 deletions

diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index e50ab6cfc017..74c89d6898e5 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -511,7 +511,6 @@ public class Process {
      * @param appDataDir null-ok the data directory of the app.
      * @param invokeWith null-ok the command to invoke with.
      * @param packageName null-ok the name of the package this process belongs to.
-     * @param useSystemGraphicsDriver whether the process uses system graphics driver.
      *
      * @param zygoteArgs Additional arguments to supply to the zygote process.
      * @return An object that describes the result of the attempt to start the process.
@@ -531,13 +530,11 @@ public class Process {
                                            @Nullable String appDataDir,
                                            @Nullable String invokeWith,
                                            @Nullable String packageName,
-                                           boolean useSystemGraphicsDriver,
                                            @Nullable String[] zygoteArgs) {
         return ZYGOTE_PROCESS.start(processClass, niceName, uid, gid, gids,
                     runtimeFlags, mountExternal, targetSdkVersion, seInfo,
                     abi, instructionSet, appDataDir, invokeWith, packageName,
-                    /*useUsapPool=*/ true,
-                    useSystemGraphicsDriver, zygoteArgs);
+                    /*useUsapPool=*/ true, zygoteArgs);
     }
 
     /** @hide */
@@ -553,13 +550,11 @@ public class Process {
                                                   @Nullable String appDataDir,
                                                   @Nullable String invokeWith,
                                                   @Nullable String packageName,
-                                                  boolean useSystemGraphicsDriver,
                                                   @Nullable String[] zygoteArgs) {
         return WebViewZygote.getProcess().start(processClass, niceName, uid, gid, gids,
                     runtimeFlags, mountExternal, targetSdkVersion, seInfo,
                     abi, instructionSet, appDataDir, invokeWith, packageName,
-                    /*useUsapPool=*/ false,
-                    useSystemGraphicsDriver, zygoteArgs);
+                    /*useUsapPool=*/ false, zygoteArgs);
     }
 
     /**