Remove obsolete <linux/capabilities.h> workarounds.

We've updated the glibc header (and musl will just use the bionic uapi
headers), so this is obsolete (and getting in the way of someone trying
to use the PERFMON capability).

Test: treehugger
Change-Id: Ife7ee076179e1db6246738aa41c2b82bd8546265

init/capabilities.cpp

@@ -66,18 +66,12 @@ static const std::map<std::string, int> cap_map = {
         CAP_MAP_ENTRY(WAKE_ALARM),
         CAP_MAP_ENTRY(BLOCK_SUSPEND),
         CAP_MAP_ENTRY(AUDIT_READ),
-#if defined(__BIONIC__)
         CAP_MAP_ENTRY(PERFMON),
         CAP_MAP_ENTRY(BPF),
         CAP_MAP_ENTRY(CHECKPOINT_RESTORE),
-#endif
 };
 
-#if defined(__BIONIC__)
 static_assert(CAP_LAST_CAP == CAP_CHECKPOINT_RESTORE, "CAP_LAST_CAP is not CAP_CHECKPOINT_RESTORE");
-#else
-static_assert(CAP_LAST_CAP == CAP_AUDIT_READ, "CAP_LAST_CAP is not CAP_AUDIT_READ");
-#endif
 
 static bool ComputeCapAmbientSupported() {
 #if defined(__ANDROID__)

init/capabilities.h

@@ -21,17 +21,6 @@
 #include <string>
 #include <type_traits>
 
-#if !defined(__ANDROID__)
-#ifndef CAP_BLOCK_SUSPEND
-#define CAP_BLOCK_SUSPEND 36
-#endif
-#ifndef CAP_AUDIT_READ
-#define CAP_AUDIT_READ 37
-#endif
-#undef CAP_LAST_CAP
-#define CAP_LAST_CAP CAP_AUDIT_READ
-#endif
-
 namespace android {
 namespace init {