Add JNI trampoline for mips32.

This patch allows the browser to come up.

Change-Id: Icad9da868be76d6a08e615807fad8678ac0a110f
diff --git a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
index e0aab75..e067f3a 100644
--- a/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_trampoline_entrypoints.cc
@@ -926,17 +926,16 @@
   static constexpr bool kAlignLongOnStack = false;
   static constexpr bool kAlignDoubleOnStack = false;
 #elif defined(__mips__)
-  // TODO: These are all dummy values!
   static constexpr bool kNativeSoftFloatAbi = true;  // This is a hard float ABI.
-  static constexpr size_t kNumNativeGprArgs = 0;  // 6 arguments passed in GPRs.
-  static constexpr size_t kNumNativeFprArgs = 0;  // 8 arguments passed in FPRs.
+  static constexpr size_t kNumNativeGprArgs = 4;  // 4 arguments passed in GPRs.
+  static constexpr size_t kNumNativeFprArgs = 0;  // 0 arguments passed in FPRs.
 
   static constexpr size_t kRegistersNeededForLong = 2;
   static constexpr size_t kRegistersNeededForDouble = 2;
   static constexpr bool kMultiRegistersAligned = true;
   static constexpr bool kMultiRegistersWidened = true;
-  static constexpr bool kAlignLongOnStack = false;
-  static constexpr bool kAlignDoubleOnStack = false;
+  static constexpr bool kAlignLongOnStack = true;
+  static constexpr bool kAlignDoubleOnStack = true;
 #elif defined(__i386__)
   // TODO: Check these!
   static constexpr bool kNativeSoftFloatAbi = false;  // Not using int registers for fp