adb: Add bMaxBurst to superspeed descriptors

This gives a large boost to speed on usb 3.0.

Test: adb pull/push multi GB files
Bug: 31722483
Change-Id: Iea039f1aba8b2e4d7e4a2ecb504cccb5dd1e4629

adb/daemon/usb.cpp

@@ -180,6 +180,7 @@ static struct ss_func_desc ss_descriptors = {
     .source_comp = {
         .bLength = sizeof(ss_descriptors.source_comp),
         .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+        .bMaxBurst = 4,
     },
     .sink = {
         .bLength = sizeof(ss_descriptors.sink),
@@ -191,6 +192,7 @@ static struct ss_func_desc ss_descriptors = {
     .sink_comp = {
         .bLength = sizeof(ss_descriptors.sink_comp),
         .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+        .bMaxBurst = 4,
     },
 };